Blaunpunkt Velocity Series 10 Inches Tube Sub Woofer VRT10, BLAUPUNKT VELOCITY VRT10 10INCH ANGLED SHAPED TUBED SUBWOOFER, Rated at 70 W RMS and 200 W peak. Nicely made & finished in grey carpet, Very tidy and not too big in size, This is NOT a powered sub - it needs an amplifier.