Yamaha YST-SW150 Subwoofer and Speakers

Updated August 16, 2026

A Yamaha YST-SW150 Active Servo Processing Subwoofer System paired with two NS-A325 satellite speakers. The subwoofer features front-mounted controls for power, volume, and high cut adjustment between 40 Hz and 140 Hz, while the speakers include wall-mounting keyhole slots. Technical specifications for the subwoofer indicate a power rating of 120 Volts and 130 Watts with connectivity for both RCA and high-level binding post inputs.Subwoofer: 24 x 10 x 16 inchesSpeakers: 8 inches high.The components exhibit visible dust and surface scuffing, particularly on the subwoofer's top and side panels. Minor wear is evident on the bottom rear corners of the subwoofer cabinet, though the unit successfully powers on as indicated by the red status LED.

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