You found 2 products in Car Amplifiers - 80-90 dB

Kenwood KAC-5203 Car Amp
Dual Channel, 75 W x 2, S/N Ratio: 80 dB, THD at Rated RMS Power: 0.8%
1 store offers from £44 - £44

Sony XM-1S Car Amp
Mono Channel, 500 W x 1, S/N Ratio: 90 dB
1 store offers from £132 - £132