Top 10 Best BOSS Receivers Amplifiers
for June 2021

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1
9.7
SCORE
BOSS Audio Systems ASK904B.64 Marine Weatherproof Amplifier and Speaker Package - Full Range 500 Watt Amplifier With Bluetooth Remote, 6.5 Inch 180 Watt Full Range Speakers, No Receiver Needed, Black

BOSS Audio Systems ASK904B.64 Marine Weatherproof Amplifier and Speaker Package

Full Range 500 Watt Amplifier With Bluetooth Remote, 6.5 Inch 180 Watt Full Range Speakers, No Receiver Needed, Black

by BOSS AUDIO
What We like

Weather Resistant - The MC900B has been designed to handle some light weather conditions without giving up on you

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Product Features

  • Bluetooth - You do not need a head unit. Just power up the MC900B amplifier and hook up some speakers to it. The included Bluetooth remote control lets you stream your music via your Bluetooth device and use apps like Spotify and Pandora
  • Auxiliary - The Bluetooth remote is compatible with the audio output from smartphones as well as MP3 players. Just plug in and start playing
  • Speaker Specs - Power: 180 watts per pair, Frequency: 80 Hz to 20 kHz, Sensitivity: 89 dB, Cone: Polypropylene, Voice Coil: 1, Surround: Rubber, Dimensions: 3.4 x 7.5 x 7.5, Mounting Depth: 2.2, Mounting Hole: 5.8
  • Class A/B Topology - Class A amplifiers have enormous amount of current flowing through its output transistors with no audio signal. Class B amplifiers have no current flowing through its outputs with no audio signal
  • Amplifier Specs - Dimensions: 7.8 x 3.8 x 1.8, Weight 2.9 lbs.

Class a/b topology - class a amplifiers have enormous amount of current flowing through its output transistors with no audio signal. class b amplifiers have no current flowing through its outputs with no audio signal Full range - with a full range amplifier you not only have the option to run your speakers, but also your subwoofers Speaker specs - power: 180 watts per pair, frequency: 80 hz to 20 khz, sensitivity: 89 db, cone: polypropylene, voice coil: 1, surround: rubber, dimensions: 3.4 x 7.5 x 7.5, mounting depth: 2.2, mounting hole: 5.8 Auxiliary - the bluetooth remote is compatible with the audio output from smartphones as well as mp3 players. just plug in and start playing Power - 500 watts max x 4 @4-ohms, 94 watts rms x 4 @4-ohms. usb charging port available. 4-8 ohm stable with rca outputs Included components: BOSS AUDIO ask902b.64 boss bluetooth amplier and Amplifier specs - dimensions: 7.8 x 3.8 x 1.8, weight 2.9 lbs. Bluetooth - you do not need a head unit. just power up the mc900b amplifier and hook up some speakers to it. the included bluetooth remote control lets you stream your music via your bluetooth device and use apps like spotify and pandora

2
9.7
SCORE
BOSS Audio Systems MGV550B Marine Gauge Receiver - Weatherproof, 5 Inch Touchscreen, Built-in Amplifier, Bluetooth, Digital Media MP3 Player, No CD Player, USB Port, AM/FM Radio

BOSS Audio Systems MGV550B Marine Gauge Receiver

Weatherproof, 5 Inch Touchscreen, Built-in Amplifier, Bluetooth, Digital Media MP3 Player, No CD Player, USB Port, AM/FM Radio

by BOSS AUDIO
What We like

- BOSS Audio Systems provides a powerful 3-year platinum online dealer so long as the purchase is made through . We strongly encourage professional installation of this product to ensure proper and safe functionality

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Product Features

  • Weatherproof - The MGV550B has been outfitted with the latest weatherproofing techniques such as front panel UV coating, PC board with conformal coating. It has an IPX 6 rating for protection against splashing water
  • Outputs - Use the front & rear or subwoofer pre-amp outputs to hook up your speakers or subwoofer. The built-in amplifier powers 60 watts x 4 channels
  • Accessory Button (Star Button) - Turn on and off accessories such as lightbars, LED Whips and more. A relay is needed and is not included
  • Bluetooth - Play and control music through your smartphone or MP3 player as well as apps like Spotify / Pandora, wirelessly
  • Inputs - A/V, switch from rear to front camera (camera sold separately), USB port for audio/video files (32GB max), Aux-in compatible with audio output from smartphones and MP3 players. USB charging

Specs - dimensions: 4. 25 x 7. 75 x 5. 60, weight: 2. 8 lbs. , built-in preset eq Media playback - bluetooth, play music via the usb port or tune into the am / fm radio stations for up to date music/news/sports and more. the mgv550b does not have a cd mechanism Inputs - a/v, switch from rear to front camera (camera sold separately), usb port for audio/video files (32gb max), aux-in compatible with audio output from smartphones and mp3 players. usb charging Weatherproof - the mgv550b has been outfitted with the latest weatherproofing techniques such as front panel uv coating, pc board with conformal coating. it has an ipx 6 rating for protection against splashing water Outputs - use the front & rear or subwoofer pre-amp outputs to hook up your speakers or subwoofer. the built-in amplifier powers 60 watts x 4 channels Accessory button (star button) - turn on and off accessories such as lightbars, led whips and more. a relay is needed and is not included Bluetooth - play and control music through your smartphone or mp3 player as well as apps like spotify / pandora, wirelessly

3
9.3
SCORE
Rockville BluTube SG 70W Tube Amplifier/Home Theater Stereo Receiver W/Bluetooth

Rockville BluTube SG 70W Tube Amplifier/Home Theater Stereo Receiver W/Bluetooth

by ROCKVILLE
What We like

Optical input. Coaxial input. Sub output. Tube Amps do not hard-clip even at high volumes and are extremely efficient. Due to this the amp sounds more like double the rated power! . Built in Bluetooth with 33 foot range. Built-in preamplifier. Headphone output.

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Product Features

  • Vu meter. Adjustable bass and treble (2 band equalizer). USB input for music files from USB thumb drive. Rear speaker terminals: banana Plug/ binding post outputs for 2 speakers. Frequency response (3dB): 22hz-20khz. Input impedance: 47Ko.
  • Rockville blutube V2 70W tube amplifier/home theater stereo receiver with Bluetooth
  • Input sensitivity: 300mV. Output Impendence: 4-8ohm. Total harmonic distortion): 0. 02%. Signal-to-Noise ratio(s/n): 86dB. Bluetooth: 2. 1+Edr. Usb: Supports WAV/MP3/WMA/APE/FLAC. 110V. Unit weight: 6. 6 lbs. Unit dimensions: 10. 6"X10. 2"X5. 1"
  • Rockville BluTube SG audiophile grade tube amplifier with Bluetooth. Luxurious and beautiful finish. 25 watts x 2 RMS @ 8 ohm. 35 Watts x 2 RMS @ 4 ohm. (1) set of RCA inputs to connect to any audio device like a TV, laptop, or MP3 player, etc.

ROCKVILLE blutube sg audiophile grade tube amplifier with bluetooth. luxurious and beautiful finish. 25 watts x 2 rms @ 8 ohm. 35 watts x 2 rms @ 4 ohm. (1) set of rca inputs to connect to any audio device like a tv, laptop, or mp3 player, etc. Input sensitivity: 300mv. output impendence: 4-8ohm. total harmonic distortion): 0. 02%. signal-to-noise ratio(s/n): 86db. bluetooth: 2. 1+edr. usb: supports wav/mp3/wma/ape/flac. 110v. unit weight: 6. 6 lbs. unit dimensions: 10. 6"x10. 2"x5. 1" Vu meter. adjustable bass and treble (2 band equalizer). usb input for music files from usb thumb drive. rear speaker terminals: banana plug/ binding post outputs for 2 speakers. frequency response (3db): 22hz-20khz. input impedance: 47ko. ROCKVILLE blutube v2 70w tube amplifier/home theater stereo receiver with bluetooth

4
9
SCORE
500 Watts 4 Channel Class A/B Waterproof Motorcycle Marine Bluetooth Amplifier Boat Stereo Audio Receiver Sound System MP3 Player with Aux in RCA Out for Boat ATV UTV Powersports Tractor Truck

Herdio 500 Watts 4 Channel Class A/B Waterproof Motorcycle Marine Bluetooth Amplifier Boat Stereo Audio Receiver Sound System MP3 Player with Aux in RCA Out for Boat ATV UTV Powersports Tractor Truck

by Herdio
What We like

High Marine Grade: The Amplifier is Designed with Waterproof and Weatherproof Body . Fully Marine Grade Rating at IP-66. Weather Resistant Feature to Withstand Heavy Water Splashes and other Outdoor Conditions.Perfectly fit for Boat, ATV, UTV, RZR, Snowmobile, Golfcart, Heavy Duty Vehicles, Motorcycle, RV

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Product Features

  • what is the package:Amplifer x 1PCS Controller x 1PCS CableX 1PCS Handlebar Mount:One Set of Screws and Instruction Manual
  • Marine 4 Channels 500 WATT POWER Amplifiers: This Amplifier is engineered as a 4 channel marine amplifier . It Allows High Quality Stereo Reproduction form Source.and it also with Max Power of 500 watts.4 ohm Impedance and Frequency Range Between 20-25KHz for Unrivaled Sound Superiority.Class A/B, Aux Input, Low Level Inputs, RCA Pre-amp Outputs.
  • Multifunctional Controller and Built-inBluetooth : Multifunction In-Line Remote Controller (Stream and Control your Favorite Music Apps) AUX IN , Volume Control, USB Charging.the USB Jack not only can Read the USB Flash Drive but also Charge the Mobile Phone.
  • Amplifier DimensionS: (Lx W x H)7.99inch x 3.8inch x1.96inch Controller Dimensions(LxWxH)3.74inch x1.8inch x 0.86inch Controller Cable length:16.4feet

Multifunctional controller and built-inbluetooth : multifunction in-line remote controller (stream and control your favorite music apps) aux in , volume control, usb charging.the usb jack not only can read the usb flash drive but also charge the mobile phone. Amplifier dimensions: (lx w x h)7.99inch x 3.8inch x1.96inch controller dimensions(lxwxh)3.74inch x1.8inch x 0.86inch controller cable length:16.4feet What is the package:amplifer x 1pcs controller x 1pcs cablex 1pcs handlebar mount:one set of screws and instruction manual Marine 4 channels 500 watt power amplifiers: this amplifier is engineered as a 4 channel marine amplifier . it allows high quality stereo reproduction form source.and it also with max power of 500 watts.4 ohm impedance and frequency range between 20-25khz for unrivaled sound superiority.class a/b, aux input, low level inputs, rca pre-amp outputs.

5
8.8
SCORE
BOSS Audio Systems R1100MK Car Amplifier and 8 Gauge Wiring Kit - 1100 Watts Max Power, 2-4 Ohm Stable, Class A/B, Monoblock, Mosfet Power Supply, Remote Subwoofer Control

BOSS Audio Systems R1100MK Car Amplifier and 8 Gauge Wiring Kit

1100 Watts Max Power, 2-4 Ohm Stable, Class A/B, Monoblock, Mosfet Power Supply, Remote Subwoofer Control

by BOSS AUDIO
What We like

Switchable Bass Boost - Bass Boost allows you to adjust the low bass within the boost range to just the way you like it

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Product Features

  • Wiring Kit Continued - 10 5/16" and 1/4" Ring Terminals, 6 ft. Split Loom Tubing, 3 Rubber Grommets, 20 4" Wire Ties, 20 ft. High Performance blue RCA (TRCA) Interconnect
  • Mosfet Power Supply - A MOSFET is an electrical switch that allows the flow of electrical current. It controls the output voltage and current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry
  • Variable Low-Pass Crossover - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction
  • Class A/B Topology - Class A amplifiers have enormous amount of current flowing through its output transistors with no audio signal. Class B amplifiers have no current flowing through its outputs with no audio signal
  • Specs - Dimensions: 9.1 x 10.4 x 2.3, Weight: 4.4 lbs.

Variable low-pass crossover - subwoofers reproduce sound based on a number of different low-range frequencies. you can set exact sound specifications for the bass frequency reproduction Class a/b topology - class a amplifiers have enormous amount of current flowing through its output transistors with no audio signal. class b amplifiers have no current flowing through its outputs with no audio signal Wiring kit - 30 ft speaker wire, 20 ft. 8 ga red power cable, 16 ft. 18 ga blue turn-on wire, 3 ft. 8 ga black ground cable, competition quality fuse holder with agu fuse Mosfet power supply - a mosfet is an electrical switch that allows the flow of electrical current. it controls the output voltage and current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry Amplifier power - 1100 watts max x 1 @2-ohms, 550 watts max x 1 @4-ohms Specs - dimensions: 9.1 x 10.4 x 2.3, weight: 4.4 lbs. Wiring kit continued - 10 5/16" and 1/4" ring terminals, 6 ft. split loom tubing, 3 rubber grommets, 20 4" wire ties, 20 ft. high performance blue rca (trca) interconnect

6
8.6
SCORE
Pyle 4 Channel Marine Amplifier - Compact Power 400 Watt RMS 4 OHM Full Range Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker with LCD Digital Screen - PFMRA440BB

Pyle 4 Channel Marine Amplifier

Compact Power 400 Watt RMS 4 OHM Full Range Stereo & Waterproof, Wireless Bluetooth Receiver Audio Speaker with LCD Digital Screen, PFMRA440BB

by Sound Around
What We like

HIGH-FIDELITY STEREO DESIGN: It has perfect audio outputs, plus a separate subwoofer output, volume, treble and bass shock, which can be accessed in the side panel button control center. It is made durable marine grade construction and waterproof

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Product Features

  • WIRELESS BLUETOOTH CONNECT: Built in 2.1 version and that ranges up to 50 + feet and has thermal power protection circuitry and variety spring loaded speaker terminal. Also,installed with HD sound and LED digital screen that your stereo is working
  • AUXILIARY INPUT: Save MP3 audio files to a memory card and play back through the USB or SD card reader pair of RCA jacks on the rear of the amplifier, to external smartphone, computer, MP3, laptop or tablet. Connect and stream from external devices
  • 400 WATT POWER: 2 channel amplifier with 400 watt RMS at 4 ohm impedance and frequency range between 10-40 kHz for unrivaled sound superiority. Fully marine grade rating at IP-41, a class D circuit and RCA audio connector
  • ADJUSTABLE TREBLE BASS EQ: Bass signal output can operate independently and the bass amplitude range is fine-tuning. The subwoofer output is controlled separately. May appropriate to adjust the style effect according to your needs for sound effect

Adjustable treble bass eq: bass signal output can operate independently and the bass amplitude range is fine-tuning. the subwoofer output is controlled separately. may appropriate to adjust the style effect according to your needs for sound effect Wireless bluetooth connect: built in 2.1 version and that ranges up to 50 + feet and has thermal power protection circuitry and variety spring loaded speaker terminal. also,installed with hd sound and led digital screen that your stereo is working Auxiliary input: save mp3 audio files to a memory card and play back through the usb or sd card reader pair of rca jacks on the rear of the amplifier, to external smartphone, computer, mp3, laptop or tablet. connect and stream from external devices 400 watt power: 2 channel amplifier with 400 watt rms at 4 ohm impedance and frequency range between 10-40 khz for unrivaled sound superiority. fully marine grade rating at ip-41, a class d circuit and rca audio connector

7
8.6
SCORE
BOSS Audio Systems MCKGB450B.6 Weatherproof Marine Gauge Receiver and Speaker Package - IPX6 Receiver, 6.5 Inch Speakers, Bluetooth Audio, USB MP3, AM FM, NOAA Weather Band Tuner, No CD Player, Black

BOSS Audio Systems MCKGB450B.6 Weatherproof Marine Gauge Receiver and Speaker Package

IPX6 Receiver, 6.5 Inch Speakers, Bluetooth Audio, USB MP3, AM FM, NOAA Weather Band Tuner, No CD Player, Black

by BOSS AUDIO
What We like

: BOSS Audio Systems provides a powerful 3-year platinum online dealer so long as the purchase is made through . We strongly encourage professional installation of this product to ensure proper and safe functionality

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Product Features

  • Included Components: Receiver, 2 Speakers
  • SPEAKER SPECS: Depth 7. 5 x Width 7. 5 x Height 3. 4 Inches, Weight: 3. 3 lbs.
  • OUTPUTS: Use the front/rear and subwoofer outputs to hook up your speakers and subwoofer.
  • INPUTS: The USB port gives you the option to have a vast library of audio files at your fingertips. The auxiliary input is compatible with audio output from smartphones and MP3 players
  • BLUETOOTH: Play and control music through your smartphone or MP3 player as well as apps like Spotify / Pandora, wirelessly

Weatherproof: the receiver has been ipx6 rated to protect against splashing water. the two 6. 5 speakers have been outfitted with the latest weatherproofing techniques Bluetooth: play and control music through your smartphone or mp3 player as well as apps like spotify / pandora, wirelessly Outputs: use the front/rear and subwoofer outputs to hook up your speakers and subwoofer. Included components: receiver, 2 speakers Speaker specs: depth 7. 5 x width 7. 5 x height 3. 4 inches, weight: 3. 3 lbs. Receiver specs: depth 3. 3 x width 4. 5 x height 4. 5 inches, weight: 2. 1 lbs. Inputs: the usb port gives you the option to have a vast library of audio files at your fingertips. the auxiliary input is compatible with audio output from smartphones and mp3 players Media playback: bluetooth, usb port, am/fm radio stations for up to date music/news/sports and more, noaa weather band tuner. the mgr450b receiver does not have a cd player

8
7.7
SCORE
BOSS Audio Systems MC900B 4 Channel Weatherproof Amplifier – Bluetooth, 500 Watts, Bluetooth Multi-Function Remote, Full Range, Class A/B, 4-8 Ohm Stable, Aux-in, RCA Outputs, USB Charging

BOSS Audio Systems MC900B 4 Channel Weatherproof Amplifier – Bluetooth

500 Watts, Bluetooth Multi-Function Remote, Full Range, Class A/B, 4-8 Ohm Stable, Aux-in, RCA Outputs, USB Charging

by BOSS AUDIO
What We like

Weatherproof: The MC900B has been designed to handle some light weather conditions without giving up on you. It is great for use in ATVs and boats.

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Product Features

  • Power: 500 Watts Max x 4 @4-Ohms, 94 Watts RMS x 4 @4-Ohms
  • Bluetooth: You do not need a head unit. Just power up the MC900B and hook up some speakers to it. The included Bluetooth remote control lets you stream your music via your Bluetooth device and use apps like Spotify and Pandora
  • Specs: Dimensions - 1.75 x 6.6 x 1.75, Weighs 2.9 lbs.
  • Auxiliary in: The Bluetooth remote is compatible with the audio output from smartphones as well as MP3 players. Just plug in and start playing
  • Full Range: With a Full Range amplifier you not only have the option to run your speakers, but also your subwoofers

Full range: with a full range amplifier you not only have the option to run your speakers, but also your subwoofers Power: 500 watts max x 4 @4-ohms, 94 watts rms x 4 @4-ohms Specs: dimensions - 1.75 x 6.6 x 1.75, weighs 2.9 lbs. Class a\b: class a amplifiers have enormous amount of current flowing through its output transistors with no audio signal. class b amplifiers have no current flowing through its outputs with no audio signal Auxiliary in: the bluetooth remote is compatible with the audio output from smartphones as well as mp3 players. just plug in and start playing Usb charging: you can charge your usb devices using the usb charging port Bluetooth: you do not need a head unit. just power up the mc900b and hook up some speakers to it. the included bluetooth remote control lets you stream your music via your bluetooth device and use apps like spotify and pandora

9
7.7
SCORE
Pyle 16-25' Bay Boat Bluetooth Marine Stereo Receiver, 4 x 150W 6.5'' Marine Speakers (White), 4 Channel Waterproof Amplifier, Amp Install Kit, 18 Gauge 50 FT Speaker Wire, Antenna

Pyle 16-25' Bay Boat Bluetooth Marine Stereo Receiver

4 x 150W 6.5'' Marine Speakers (White), 4 Channel Waterproof Amplifier, Amp Install Kit, 18 Gauge 50 FT Speaker Wire, Antenna

by Sound Around
What We like

RECEIVER AND ANTENNA: The Pyle Digital Marine Stereo Receiver features versatile media playback capability. The single DIN universal standard comes loaded with features like AM/FM radio, USB flash drive reader, SD memory card reader and Aux (3.5mm) input connector jack. This Pyle Hydra series water-resistant antenna provides excellent radio reception wherever you are. This 22' cable works great on land or at sea for full AM/FM reception wherever it is available.

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Product Features

  • AMPLIFIER AND INSTALL KIT: This Pyle Hydra amp will power your speakers on the dock, in your boat, or by the pool - it's completely waterproof. This 4-channel, 400-watt marine amp takes both high and low level inputs, so it's compatible with a variety of head units and sources. Get all the wires you need to hook up a new marine audio system with this Pyle Hydra amplifier installation kit. These wires have high resistance to moisture, so they're a great fit on your boat or in outdoor settings.
  • SPEAKERS AND WIRES: Pyle's Hydra series speakers are waterproof and designed for use in your boat, on the dock, by the pool, or simply mounted outside. They're designed with rust-proof mesh covers for quality protection. The PLMR60W is a pair of 150-watt, 6.5' two-way, full-range speaker suitable for marine use. This Pyle Hydra marine speaker wire is water-resistant, so it's ideal for use in your new marine installation.
  • PACKAGE INCLUDES: 1 X Pyle Bluetooth Marine Stereo Receiver, 4 x Pyle 150W 6.5'' Marine Speakers (White), 1 X Pyle 4 Channel Waterproof Amplifier, 1 X Pyle Amp Install Kit, 1 X Pyle 18 Gauge 50 FT Speaker Wire, 1 x Pyle Antenna

Package includes: 1 x pyle bluetooth marine stereo receiver, 4 x pyle 150w 6.5'' marine speakers (white), 1 x pyle 4 channel waterproof amplifier, 1 x pyle amp install kit, 1 x pyle 18 gauge 50 ft speaker wire, 1 x pyle antenna Amplifier and install kit: this pyle hydra amp will power your speakers on the dock, in your boat, or by the pool - it's completely waterproof. this 4-channel, 400-watt marine amp takes both high and low level inputs, so it's compatible with a variety of head units and sources. get all the wires you need to hook up a new marine audio system with this pyle hydra amplifier installation kit. these wires have high resistance to moisture, so they're a great fit on your boat or in outdoor settings. Speakers and wires: pyle's hydra series speakers are waterproof and designed for use in your boat, on the dock, by the pool, or simply mounted outside. they're designed with rust-proof mesh covers for quality protection. the plmr60w is a pair of 150-watt, 6.5' two-way, full-range speaker suitable for marine use. this pyle hydra marine speaker wire is water-resistant, so it's ideal for use in your new marine installation.

10
7.7
SCORE
BOSS Audio Systems R2000M Monoblock Car Amplifier - 2000 Watt Amp, 2/4 Ohm Stable, Class A/B, Mosfet Power Supply, Great for Car Subwoofers

BOSS Audio Systems R2000M Monoblock Car Amplifier

2000 Watt Amp, 2/4 Ohm Stable, Class A/B, Mosfet Power Supply, Great for Car Subwoofers

by BOSS AUDIO
What We like

Variable Bass Boost - Bass Boost allows you to adjust the low bass within the boost range to just the way you like it

more infoarrow_drop_down

Product Features

  • Variable Low Pass Crossover - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction
  • Mosfet Power Supply - A MOSFET is basically an electrical switch that allows the flow of electrical current. It controls the output voltage & current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry
  • Low & High Level Inputs - A low level (RCA) input is measured in voltages. A high level (+/- wire) input is measured in wattages. Both essentially carry signal from your receiver to your amplifier to your speakers
  • Class A/B Topology - Class A amplifiers have enormous amount of current flowing through its output transistors with no audio signal. Class B amplifiers have no current flowing through its outputs with no audio signal
  • Variable Gain Control - The gain control is not for adjusting volume. It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier

Power - 2000 watts max x 1 @2-ohms, 1000 watts max x 1 @4-ohms Variable gain control - the gain control is not for adjusting volume. it simply adjusts the amount of signal that is coming from your receiver and going to your amplifier Variable low pass crossover - subwoofers reproduce sound based on a number of different low-range frequencies. you can set exact sound specifications for the bass frequency reproduction Mosfet power supply - a mosfet is basically an electrical switch that allows the flow of electrical current. it controls the output voltage & current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry Low & high level inputs - a low level (rca) input is measured in voltages. a high level (+/- wire) input is measured in wattages. both essentially carry signal from your receiver to your amplifier to your speakers Class a/b topology - class a amplifiers have enormous amount of current flowing through its output transistors with no audio signal. class b amplifiers have no current flowing through its outputs with no audio signal Specs - dimensions: 11.5 x 10.44 x 2.25, weight 7.8 lbs.

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