With built-in battery protection circuit: battery lets your listening feast without time limitation. It can't be turned on during charging and will power off automatically after fully charged, and charger LED will turn to green.
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1200W Amplifier Bluetooth Amp SNR85dB Sound Amplifier HDMI 4K ARC Optical Coaxial DSP For Karaoke 5.1 Channel Home Theater KTV
Aliexpress UK
Pure class A single-ended circuit design: inspired by many classic circuits, adopts 2PCS 6N2 triode for voltage amplification, 2PCS EL34 for single-ended amplification; and 5Z4PJ for rectification (315V+315V). The single-ended circuit output power can reach 12W+12W and has good control of the speakers. Enough power and HIFI tube sound: with 200W power transformers and 15W audio output transformers with no large loop feedback; the sound quality is pure and warm, full and mellow, sweet and natural; medium frequency is full and stable, high frequency is clear and delicate. Attractive appearance and high-quality technology: with volume control and input switch, easy to use; exquisite silver lacquered panel and vacuum tube with artistic and retro feelings, providing wonderful auditory and visua.
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200-800W Professional Audio Amplifier Bluetooth Sound Box USB SD Card Amp 2Mic Input Amplifiers For Home Karaoke DJ KTV Party
Aliexpress UK
125watt 2x12. Essentially an AC30 on steroids. Obviously a 125 watt valve amp is loud as fck.
eBay
1PCS Dual operational amplifier upgrade base, decoupling operational amplifier base, DIP8-pin HIFI operational amplifier base
Aliexpress UK
With 3 kinds of audio input(Bluetooth/USB/RCA) and 2 kinds of output(RCA/3.5mm headphone), P1 can be used as HiFi tube Preamp, USB DAC or headphone amp with HiFi clear, warm, dynamic, sweet tube sound, bringing extremely high-quality listening experience. Bluetooth 5.0 (QCC3034) supporting APTX-HD lossless transmission. PC-USB (CM6642) supporting 24bit 192KHz and compatible with Windows/Mac/Linux system, matching well with many audio devices such as iPod, Phone, MP3 players, TV, Blu-ray players, Echo Dot, CD players, etc. .
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AK45 Digital Bluetooth Amplifier 2CH Hi-Fi Audio Stereo Power AMP Speaker USB Car Home Amplifier with Remote Control EU Plug
Aliexpress UK
The Fender Greta Electric Guitar Valve Amplifier is a compact and powerful tabletop amp designed specifically for electric guitars. With a vacuum tube amplifier technology and an impedance of 8 Ohms, this combo amplifier delivers a 2W power output, making it suitable for a variety of playing styles. The Greta model from Fender is known for its quality and reliability, making it a great choice for musicians looking for a versatile and affordable amplifier for practice, small gigs, or studio recordings. This amp is used, in good condition, although there are some small scratches on the top of the casing, please see photos.
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8 Tube Split Stereo 300B Tube Amp Kit, HIFI Single-ended Class A Vacuum Tube Power Amplifier RCA XLR input amp
Aliexpress UK
Unique and amazing combination: integrated ST-01/ST-01 PRO amplifier with VU meter into whole in such a mini size, the pointer dancing in the warm light with strong vintage feelings when enjoy HiFi music, dynamically decorates the audio system space. HiFi clear sound with tone control: resonable circuit and concise wiring, adopts vacuum tubes to soften the sound and filter out the digital feelings, sounds warm and sweet without noise. Also with treble and bass knobs to adjust one's own preferable sound styles, presents HiFi music with rousing highs and deep lows.
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Home Amplifiers Audio 600w Bluetooth-compatible Subwoofer Theater Sound System Amplifier Mini Amplifier Professional RC Control
Aliexpress UK
Versatile Connectivity: In addition to standard RCA inputs and speaker outputs, the DA3 offers Bluetooth connection, USB lossless playback, optical/coaxial inputs, a PRE OUT for active subwoofers, and a 3.5mm headphone output for broad device compatibility. Warm Tube Sound: Featuring two Beijing 6J1 tubes in the preamp stage, the DA3 delivers a rich, smooth, and warm sound. The tube design adds a subtle harmonic richness that makes vocals sound natural and detailed.
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AK55/AK45/AK35 Bluetooth Digital Amplifiers 2 Channel HiFi Stereo Sound amplifier for Home Car Karaoke FM USB AMP Remote Control
Aliexpress UK
Rare Groove Tubes Valve Guitar Rig comprising of a Groove Tube Trio triple channel pre amp, Groove Tube Dual Channel Dual 75 Power amp ,Groove Tube Speaker Emulator / Power Soak Unit and Groove Tube 4 x 10 speaker cabinet.
eBay
XH-A901 NE5532 Tone Board Preamp Pre-amp With Treble Bass Volume Adjustment Pre-amplifier Tone Controller For Amplifier Board
Aliexpress UK