JL Audio RD500/1 – Monoblock Class D Subwoofer Amplifier (500W RMS). With500W RMS at 2Ω, it is perfect for drivinghigh-performance subwoofers while maintaininglow distortion and high efficiency through JL Audio'sNexD™ switching technology.
eBay
Douk Audio NS-08E Mini Vacuum Tube Headphone Amplifier Best Stereo Audio Preamplifier HiFi Home Desktop Audio Amp
Aliexpress UK
Max Output Power: 1200W. 1 Subwoofer Amplifier. 6" 9" speaker gives A different kind of heavy bass effect. Bass Boost: 0to+12db. Speaker：6" 9". Low Level Input Sensitivity: 150mV. High level Input Sensitivity: 0.9v.
eBay
50Wx2 Audio Sound Amplifier Class D CS8673E HiFi Mini Power Amplifier Bluetooth-compatible 5.0 Plug and Play AUX TF Home Theater
Aliexpress UK
Monoblock Class D Subwoofer Amplifier, 250 W x 1 @ 2 Ω / 150 W x 1 @ 4 Ω - 14.4V. while the power and speaker connections can be found along the opposite end of its extruded aluminium chassis. Signal processing features include a 12 dB / octave low-pass filter, with continuously variable frequency selection from 50-500 Hz, and a variable bass boost EQ.
eBay
Sennuopu DS-M10 Car Audio 8 CH Amplifier with 10 CH DSP Processor Bluetooth Amp Equalizer Amplificador Automotivio Sound
Aliexpress UK
Zapco ST-1B. Mono Class AB Amplifier. Hassle Free. f o (225). z t (651). Power @ 4Ω: 200 watts. s n (1267). Superb Service.
eBay
Reference Golden Voice C-2860 Plus Fully Balanced Pure Class A Pre Amplifier AC-220V/110V HiFi High Temperature Pre Amplifier
Aliexpress UK
Series speaker, subwoofer and tweeter. EDB1000.1D-E4 | EDGE DB Series Monoblock 2000 watts Amplifier. RMS @ 4 Ohms: 1 x 400 watts. RMS @ 2 Ohms: 1 x 650 watts. RMS @ 1 Ohms: 1 x 1000 watts. Maximum Power: 2000 watts.
eBay
430*60*330MM FOSI AYM Red Walnut Frame Amplifier Case Preamplifier Case Vacuum Tube Amplifier Chassis Shell DIY Box
Aliexpress UK
Unit weight 2.7 kg. Speaker line input sensor Turn-on sensor. Box has been opened and AMP is as new. Sold with 12 months warranty. current consumption (A/4Ω) 24 A. Frequency response 10 - 240 Hz.
eBay
Copy Sugden IA4 Class A Amplifier 33W Pure Class A Single Ended Amplifier Board
Aliexpress UK
Peak Output Power: 7800W. This 4-channel Amplifier Is 2-ohm Stable (4-ohm Bridged), High-level (horn) / Low-level (RCA) Input, Variable Electronic High-pass / Low-pass Crossover, Selectable 12dB Bass Boost EQ, Gain And Protection Circuitry For Impedance Overload, Horn Short Circuit, Thermal Overheating And DC Output.
eBay
Phono Preamp Pre Amp Preamplifier Audio Amplifier with Level Volume Control RCA Input Output 1/4" TRS Output for Turntable
Aliexpress UK
High quality amplifier board. With AUX and Bluetooth two kinds of audio input, two in one, 5.0 Bluetooth version, higher transmission efficiency and longer transmission distance. Bluetooth audio amplifier module 2.1 channel, maximum output power 2X50W+100W.
eBay
100W TPA3116D2 Amplifier Full Frequency Mono Channel Digital Power Amp Board DC5V-24V
Aliexpress UK