Fosi Audio T20 Bluetooth Tube Amplifier Stereo Receiver 2 Channel Class D Digital Mini Hi-Fi Power Amp Preamp Compact Integrated Headphone Amplifier for Home Passive Speakers with 6J4 Vacuum tubes + Power Supply
Small simple compact design but practical and powerful, Hi-Fi Bluetooth amplifier receiver exclusively designed for the customers who pursue HiFi sound;
Monolith Tube Amp Headphone Amplifier - Black with ESS ES9018 Sabre Chip DAC
Impedance Selector, Tube Sound
Impedance selector: optimize performance for your headphones! The impedance selector allows you to perfectly match the amplifier to the headphone impedance, ensuring that the ideal power is being utilized for any pair of headphones. The impedance can be set to one of five impedance groups, from 16 to 600 ohms
Nobsound 6P1 6.8W x 2 Vacuum Tube Power Amplifier; Stereo Class A Single-Ended Audio Amp Headphone Amplifier Handcrafted (with Headphone Amp Function)
It has a classic and graceful appearance. The VU meters and vacuum tubes makes it more elegant and attractive.
Massdrop x Alex Cavalli Hybrid Desktop Tube Amp
Audiophile Headphone Stereo Amplifier (CTH), 8.3 x 9.1 x 2.2 in, Black
Versatile outputs connect your way with an RCA input and both 4-pin XLR and in (6. 3 mm) TRS headphone outputs.
Schiit Vali 2+ Tube Hybrid Headphone Amp and Preamp
You only need a single tube, so tube rolling Vali 2+ is easy and more affordable.
Douk Audio P1 Bluetooth 5.0 Vacuum Tube Preamplifier Hi-Fi Valve Headphone Amplifier Wireless Receiver Audio Decoder Preamp USB DAC APTX
Classic 6J5 vacuum & valve tube can provide warm retro tube sound. It can be replaced by 6J1, 6J4, GE5654, 6AK5, 61n-EB.
Little Bear B4-X Portable Dual-Mono Vacuum Tube Headphone Amplifier; Mini Balanced Audio Headphone Amp B4 Upgrade Version
High-end making material and craft: using gold-plated socket, original nichicon electrolytic capacitor, original DALE resistors and precision ring resistance. Prompt and courteous customer service.
Bravo Audio Ocean Mini Valve Class A Tube Headphone Amplifier
Small and powerful. Looks great as well
AIMPIRE Little Dot I+ 6JI X2 Tube Standard Hybrid Headphone Headphone Amp Pre-Amp Tube Amplifier (LDI+)
Little Dot I+ 6JI standard offers versatility and incredible sound quality in a tiny footprint
LOXJIE P20 Full Balance Tube Amplifier Headphone Power Amplifier (Black)
Military grade 6N3 electronic tubes and carefully tuned circuits.Powerful drive circuit up to 600mW at 64 .