Audi MK1 TT 1998 - 2006 Car Stereo 3 Way Amplified Active Speaker ISO Interface Adaptor. Only for use with Audi 3 Way Active Amplified Audio Systems. Most Audi's have active speakers built into the speaker themselves.
eBay
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
3X(New active subwoofer power amplifier board, real material, excellent effect. The power amplifier part uses the TPA3255 digital power amplifier chip, and the power is as high as 600 /2 ohms, 300 /4 ohMs. ).
eBay
Donor Car: 2007 Audi A6 2000cc. The New and Used Audi parts supplier. Audi Part Number: 4F0 910 223 H. It may fit others.
eBay
The PLS-112A is a two-way full range loudspeaker. The high-grade class D amplifier provides output without restrictions. It allows 3 different types of inputs - microphone, stereo jack and phono line (for any electronic device).
eBay
Pictures is of the actual IC.
eBay
2010 JAGUAR XF SALOON 2993 DIESEL MK1 X250 8X2319A067AC. LOUD SPEAKERS 8X2319A067AC. LOUD SPEAKERS - JAGUAR XF LOUD SPEAKER 8X2319A067AC X250 2010 - MK1 X250. 2010 JAGUAR XF SALOON 2993 DIESEL MK1 X250.
eBay
Active Underseat Bass Box Audio Subwoofer Sub Speaker Amplifier 1200W 500Hz 6 9". 12V 1200W Car Subwoofer Active Underseat Bass Box Audio Sub Speaker Amplifier. Underseat Bass Box Audio Subwoofer Sub Speaker Amplifier Active 1200W 500Hz 6 8".
eBay