Yamaha NS-SW300 Active Subwoofer (Black)

• PWM digital drive high efficiency amplifier and dual feedback circuit

• New Twisted Flare Port contributes to clear and tight bass

• Advanced YST II (Yamaha Active Servo Technology II)

• 25 cm (10”) cone woofer with square wire voice coil

• Beautiful design will match a wide range of speakers and interiors

• Front control panel for easy control

• System control and Auto standby