HiFi Remote Control Relay Volume Preamp Tube Stereo Preamplifier Base On CARY-SLP90 Preamp Circuit
Aliexpress UK
U10 headphone amplifier with strong power: stereo 3.5mm AUX and RCA inputs, compatible with most audio source such as MP3, phones, computers, CD players etc.. Dual headphone jacks (3.5/6.35mm) output up to 1100mW, easily to drive all 18-600Ω headphones; U10 also can be used as a preamp to improve the sound quality for amplifiers or active speakers. Advanced design and HIFI sound: innovative built-in voltage boost circuit, U10 always works at a high voltage of 24V even only powered by DC 5V, the sound with deadly quiet background, amazing purity and transparency, accurate position and wide sound field, easy use and unrivalled sound are both achieved at the same time.
eBay
AIYIMA T1 PRO Tube Preamp Vacuum Pre-Amplifier Bluetooth 5.1 QCC3040 APTX-HD Vacuum Tube Preamp
Aliexpress UK
Features 1. The newest tube preamp of Nobsound with upgraded function and design. Hundreds of reviews and thousands of customers witness the excellent sound performance and quality of our Nobsound NS-08E. This new product will satisfy you again. 2. Excellent sound performance far more than what you paid for; No background noise; Adding tube sound and eliminating digital style for your sound system; Providing warm and soft sound output; Enhancing sound field and sound quality remarkably; Suitable for vocal / string music / soft music / classic music 3. Strong functionality and playability; With independent treble, bass and volume control; Vacuum tube can be replaced by 6ж1П / 6AK5 / 6BC5 / 403A/B / 5654 / EF40 / F95 / CV850.
eBay
1pcs HIFI Silver Gold-plated Alloy Fuse Audio Preamp Amplifier Tube Amp Fuse 5x20mm 6x32mm 0.5A-15A
Aliexpress UK
Tube preamp & Audio Switcher & Headphone Amp: 4 groups of RCA inputs, 2 groups of RCA and 3.5mm headphone jack outputs, both as audio selector and splitter, no need to plug in and out cables repeatedly; compatible with many audio devices such as computers, phones, and CD players etc., greatly improve the sound quality for your sound system. Mysterious built-in tube design: pluggable Soviet Union 6H3N tubes filter all digital feelings, the sound is warm and mellow, clear and delicate, all details will be shown vividly to provide a live listening experience; classical NE5532 op-amp, can drive most headphones easily. Independent tone knob and input selector: with separate control of treble and bass, the specific proportion components in high and low frequency can be adjusted to present music.
eBay
Genuined Yaqin MS-23B MM Phono Tube Amplifier Turntable Preamplifier with Tube Preamp, Compatible
Aliexpress UK
1 E6 Tube Preamp. Pluggable design, can be upgraded to the Soviet Union 2ж27П for tube rolling and sound-shaping to one's preference. Standard RCA connectors and strong compatibility: perfectly work with digital audio source such as phone, MP3, computer, CD, DVD etc. to filter out the digital feeling to get warm and sweet sound, greatly improve the sound for headphone amplifier, power amplifier or active speakers.
eBay
Fosi Audio GR40 Bluetooth USB DAC Headphone Amplifier Tube Preamp and Headphone Amp with 5654W
Aliexpress UK
P2 can be used as a tube preamp, connected between audio source and amplifier or active speaker to greatly improve the sound quality. Default 6K4 tubes, and can be directly replaced by 6J1/6J4/GE5654/6AK5/6*1n to enjoy HiFi sound of different styles. P2 can be used as a headphone amplifier, convenient to listen to lossless music alone or at night. The RCA and 3.5mm headphone jack can output at the same time to meet more needs. P2 can be used as a digital player with U-disk and TF card inputs, supporting MP3 and other lossless format such as APE, FLAC, WAV, WMA. No need for any driver, plug and play, convenient to enjoy fun even on the road or outdoors.
eBay
Nobsound T3 Plus Mini Vacuum Tube Preamp MM / MC Phono Stage for Turntables Pre-Amplifier Desktop
Aliexpress UK
Multiple audio inputs for different requirements: support Bluetooth 5.0 / USB(U-disk) / Stereo RCA connections, perfectly match with phonoes, TV, tablet, projectors, computers etc., support U-disk to play APE/ FLAC /WAV/ WMA lossless formats besides MP3; greatly improve the sound quality for your amplifier or active speaker. HIFI warm sound and replaceable tube design: default 6A2 tube to filter out the digital feelings and soften the sound to be warmer and sweeter, full and mellow with large dynamic; pluggable tube design, can be upgraded to 6*1N / JAN5725W / 6AK5 / EF95 for tube shaping and rolling and enjoy different sound styles. Separate tone control and input switch: besides main volume control knob, also with independent treble and bass knob to present amazing music with rousing hi.
eBay
Douk Audio P1PLUS Bluetooth Tube Preamp USB DAC Headphone Amp with VU Meter support DSD256
Aliexpress UK
Model - Studio V3. PAT Tested for safety. Art Tube MP.
eBay
AIYIMA T1 PRO Tube Preamp Amplifier BT 5.1 QCC3040 APTX-HD Preamp Mini Vacuum Preamp Receiver with
Aliexpress UK
eBay