SOUNDSTREAM PN1.650D. 650 WATT RMS CLASS D MONOBLOCK PICASSO NANO SERIES SUBWOOFER AMPLIFIER. 650 Watt RMS Class D Monoblock Picasso Series Nano Subwoofer Amplifier. You can install the amplifier under the front seat or the back seat, and you’ll still have enough space between the seat and the amplifier for ventilation.
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