Amplified speaker output connection is to speaker wire at rear of cabinet. There are a total of 7 available.
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Power Amplification Board Digital Amplifier Board Home Outdoor Car Audio Subwoofer Amplifier Board Bluetooth Car Amplifier
Aliexpress UK
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
New Car Amplifier Volume Regulator Speaker Bass Controller Car Audio Amplifier Sound Adjuster Subwoofer Amplifier
Aliexpress UK
With PBTL/SUB switch: convenient to use G2 PRO as full frequency amp or subwoofer amp, a SUB output is specially designed for active subwoofer. G2 PRO can connect to both passive and active subwoofers. And two G2 PRO can be used to drive left and right channel independently to avoid mutual interference. Max 300W output power: using TPA3255D2 amp chip and equipped with 32V/5A large power supply, enough to drive 320W passive speakers or subwoofers. It also has a good match with outdoor/ bookshelf/ computer/ desktop /ceiling /floor standing speakers.
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Grandnavi Digital Stereo 4 Channel Bridgeable Car Power Amplifier Universal Sound Car Amplifier HiFi Car Subwoofer Audio Player
Aliexpress UK
Max Output Power: 1200W. 1 Subwoofer Amplifier. 6“ 8“ speaker gives A different kind of heavy bass effect. Bass Boost: 0to+12db. Speaker：6“ 8”. Low Level Input Sensitivity: 300mV. High level Input Sensitivity: 0.9v.
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S o n y Four Channel Car Power Amplifier Four Channel High Power Modification Car Audio N1004 Push Subwoofer
Aliexpress UK
Alpine SWE-815 Subwoofer Amplified Powered Active Sub with Wired Remote 100w RMS Ready-to-use amplified subwoofer box 8” (20cm) Amplified Subwoofer Box SWE-815 This product gives you plenty of bass power taking the fewest possible space.
eBay
Car Sound Subwoofer Amplifier Space Saving Spare Tire Subwoofer Amplifier Designed for youthful & Music X37F
Aliexpress UK
Amplifier works & when connected to subwoofer it’s very loud & nice quality but there is a slight electrical hum when it’s idling & Auto on / off thumps. Possible capacitor / switch issue SPECIFICATIONS: Rated Power Output: 156 watts RMS into 8 ohms @ 0.1% THD 252 watts RMS into 4 ohms @ < 1.0% THD Signal to Noise Ratio: 90 dB A-weighted Effi ciency: 66% Input Impedance: 10.4K ohms Bass Boost: Switchable, 6 dB @ 35 Hz Low Pass Adjustment: 40 Hz – 180 Hz Phase Adjustment: 0° (NOR) or 180° (REV) Dimensions: 9-13/16" W x 9-13/16" H x 5 D Enclosure Cutout: 8-1/2" x 8-1/2" Power Requirements: 115/230 VAC, 60 Hz/50 Hz, 400W Stand-By Power Rating: 115, < 0.29W* Weight: 11.7 lbs
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Sub a400 sub 200 subwoofer amplifier board amplificatore subwoofer,100W amplifier board subwoofer amplifier
Aliexpress UK
Many People want a great sound in their vehicles but are worried about too much space being taken up or even damaging the woofer once fitted, well both these issues have been taken care of by the designers at OE Audio.
eBay
Fosi Audio Mono Amplifier Subwoofer Amp 100W With Bass Power Amplifier For Home Passive Speaker M04
Aliexpress UK
Stable, durable circuitry lessens the risk of high input power for the unit to achieve 1 Ω connection. This design enhances the flexibility to connect multiple subwoofers to a system. The GM-D9701 LPF is adjustable from 40 Hz to 240 Hz.
eBay
Fosi Audio TP-02 Subwoofer Amplifier TDA7498E Mini Sub Bass Amp Digital Class D Integrated Subwoofer Amplifier 220W amplificador
Aliexpress UK