Kicker L7R 12" Ported Loaded Enclosure & Amplifier Package 800W RMS Bought about a month ago still new and being broken into, selling due to vehicle being sold. Both on website is roughly £800 available for £650.
eBay
ShennDare PDA801+PRE Audio Speaker Amplifier Module 1x800W 8OHM Pre-Amplifier For Subwoofer 1X1000W 4OHM
Aliexpress UK
Audiophile-Grade Components: The ZA3 features the TPA3255 high-end Class-D amp chip and utilizes premium Japanese NCC, ELNA, and German WIMA capacitors, and Japanese Sumida inductors for exceptional audio quality.
eBay
FP10000Q/FP20000Q 2500Wx4 Professional Digital Amplifier Stable 2 Ohm FP 10000Q 2U High Power Amplifier For Subwoofer Speaker
Aliexpress UK
Great amplifier to driver any bookshelf speaker or subwoofer. Model: M03. M03 Amplifier x1. 【Subwoofer amplifier and Full-Frequency Mono Amp】Switch to PBTL, it's a Full-Frequency Mono amp for driving passive speakers and powered subwoofer.
eBay
Douk Audio 5.1 Channel Digital Amplifier HiFi Bluetooth 5.0 Receiver USB/COAX/OPT Home Theater Power Amp with Subwoofer LDAC
Aliexpress UK
Rockford Fosgate's R2 amplifiers are the building blocks for great audio systems, powerful enough to even DRIVE our Punch speakers and subwoofers. Best of all, they are designed and engineered here in Tempe, Arizona.
eBay
LEPY 838 HIFI Amplifier 2.1 Channel MINI Digital Car Amp Subwoofer Stereo BASS Audio Player with DC 12V3A Power LP-838
Aliexpress UK
300W Peak Power Handling (100W rms). 8” (20cm) Customised SWE-843E Subwoofer. Heavy Duty Subwoofer Grill. High Quality Bass Reflex Box. RCA & Speaker Inputs.
eBay
SUNBUCK 999BT Bluetooth HiFi Sound Amplifier Dual Dynamic Screen Subwoofer High-power Amplifier s For Home Cinema System Karaoke
Aliexpress UK
G4 can be used as full frequency amp or subwoofer amp with the B/M switch to connect different speakers, and with 3.5mm AUX and RCA input to compatible with different audio devices. 2PCS G4 can be used to drive left and right channel independently to avoid mutual interference.
eBay
4 Channel 24V Car Amplifier Vehicle Amplifier Power Stereo Amp Push Subwoofer And Speaker
Aliexpress UK
Channel: 2.1 power amplifier, can connect 2 speakers and a subwoofer. - Two main channel output.can connect 2 speakers and a subwoofer. Power amplifier type: HIFI power amplifier. -Mini HIFI digital bluetooth audio power amplifier.
eBay
Leicozic 10000W DSP Amplifier Subwoofer Amplificador 4 Channel GaN FIR Filter Equalizer Line Array Ampli Digital Bivolt 80-296V
Aliexpress UK
Car 12V 500W 2-channel Mini Hi-Fi Stereo Audio Amplifier. RMS Power: 500W. 1x Audio Amplifier with Cable. The Signal Level: 200MV 47K. Channel: 2. Perfect for handling your audio demands in style.
eBay
Car Stereo Amplifier Subwoofer Speaker Wire Controller Harness RCA for Pioneer TS-WX300TA TS-WX300A TS-WX1210A TS-WX1010A TS-WX
Aliexpress UK