Underseat : The 7cm thin subwoofer is directly installed under the passenger seat. Peak Power: 800W. Built-in Amplifier: Car subwoofer produces 800 watts of strong, rich, deep bass that you can feel.
eBay
ShennDare D1650 Professional Digital Power Amplifier 4x1650w 8Ohm 4 Channel DJ Subwoofer Amplifier Line Array Speaker Sound Amp
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
PA-80D Universal Car Amplifier Board 12V 1000W Mono Car Audio Power Amplifier Powerful Bass Subwoofers Amplifier For Car Modi
Aliexpress UK
Max Output Power: 600w / RMS: 90W. 1 x Active Subwoofer. 1 x Subwoofer High Level Input Line. Bass Boost: 0to+18db. 68 mm Slim fuselage, installed under the seat. Low Level Input Sensitivity: 300mV. High level Input Sensitivity: 0.9v.
eBay
DN4100 Professional 4 Channel Audio Power Amplifier 4x1000W 8OHM DJ Subwoofer Amplifier 4x1800W 8OHM Line Array Speaker Amp
Aliexpress UK
Peak Power：1000W. Ultra-thin Subwoofer， Saving valuable space in your vehicle. Model: Spider Style Colorful Lights. Colorful lights for a unique and stylish look. Powerful 800W output for bright and vibrant colors.
eBay
Paulkitson PD43000 4x3000W 8Ω Professional Digital Power Amplifier 4 Channel Amplifier Line Array Speaker DJ Subwoofer Amp
Aliexpress UK
(170 W) Powerful Bass, without losing space. This unique feature generates three selectable Bass Modes: DEEP, NATURAL and DYNAMIC, producing 170 Watts of strong, rich, deep bass that you can feel, without giving up space.
eBay
PA-80D 12V Universal 1000W Amplifier Board Mono Car Audio Power Amplifier Powerful Bass Subwoofers Amp For Car Modi
Aliexpress UK
Max Power: 800W. -- Low frequency ability of the bass horn, high quality low tone output. Sound type: full frequency (with treble) subwoofer. 1x Subwoofer Speaker. Speaker unit size: 8 ". Voice Coil: Dual.
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Audio Amplifier LEPY838USB Bluetooth Subwoofer Amplifier Computer 12V Car Home Amplifier U Disk Lossless Music 2.1 Channel HiFi
Aliexpress UK
A WORKING MODE SWITCHER: convenient to use it as subwoofer bass amplifier or full frequency amp, and you can use two Nobsound G2 to drive left and right channel independently, and the mutual interference between the channels is suppressed. GAIN CONTROL: a gain switch on the bottom of the amplifier to allow 4-level of output level setting (20/26/32/36 dB), to keep the sound quality better and not affected by the the resistor part. HIGH-END MATERIALS AND LARGE POWER: Texas Instruments TPA3116 chip, NE5532 op-amp to guarantee no audible noise, 100Wx 1 @2ohm mono channel amp can drive most home passive speaker or subwoofer, bringing HiFi listening experience.
eBay
200W+200W Professional Home Amplifiers HiFi Stereo Audio Power Amplifier Subwoofer Amplifier Car Home Theater Sound System
Aliexpress UK
Whether it is pop, rock, classical or electronic music, it can show unprecedented shock power through it. Full-range bass adjustable, customised exclusive sound: different from ordinary subwoofers, the biggest highlight of our product is the full-range bass adjustable function.
eBay
ShennDare PFA8000+CQ380 4x1300W Professional Active Speaker Power Amplifier Module 4 Channel DSP FIR Amplifier Dj Subwoofer Amp
Aliexpress UK