Yamaha YST-SW315
250W Powered Subwoofer


Our Price: $299.95
List Price: $349.95
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Yamaha's YST-SW315 is a 250 Watt powered subwoofer for music and video.

Advanced Active Servo Technology- Yamaha's Advanced Active Servo Technology is a complementary amplifier/speaker system utilizing negative impedance feedback in the amp and a Helmholtz resonator in the speaker to provide strong and accurate bass.

10" Drive & 250 W PWM Amplifier - High amplifier power assures enough power to deliver shattering movie theater-like bass effects, and the down firing 10-inch long stroke cone driver translates the power into clear bass sound. The PWM digital drive amplifier is extremely efficient and stable. The YST-SW315 has a frequency range of 20 to 160 Hz.

BASS Selector - Yamaha's BASS (Bass Action Selector Switch) tailors the sub's output for video or music at the touch of a switch.

Yamaha QD-Bass Technology - A Yamaha technology that uses a down firing driver to radiate the bass output more efficiently. Sound is radiated in all directions for greater impact.

Magnetic Shielding - The subwoofer is magnetically shielded so it can be placed near a TV monitor or receiver without degrading the picture.

Continuously Variable High-Cut Filter - The user adjustable continuously variable high-cut filter sets the highest frequency the subwoofer will deliver. It can be set anywhere from 40 to 140 Hz. For instance, if the filter is set at 75 Hz, only frequencies 75 Hz or below will be delivered by the subwoofer. This allows the sub's output to be matched to the other speakers in the system and the room's acoustics for a seamless presentation.

Volume Control - The volume control permits the perfect matching of the sub's output to the overall volume of the system.

Signal Sensing On/Off - For convenience, the YST-SW315 has a signal sensing circuit.When the subwoofer detects an audio signal, it turns its power on. When it senses no signal for several minutes, it shuts itself off.

Phase Normal/Reverse Switch - Makes it easy to phase the subwoofer with the other speakers in your system.

Dual Inputs - Two sets of inputs allow the versatile subwoofer to accept either line level or speaker level input signals.

Heavy-Duty Speaker Terminals - Yamaha's three-way speaker terminals accept banana plug and a variety of other connectors, as well as speaker wire.

Black Ash Finish - Handsome black ash finish blends in with room decor and complements many furnishing styles.

Rigid Cabinet Construction - The YST-SW315's cabinet is constructed of thick MDF to increase rigidity and reduce vibration and resonance.


  • Multi-Range Driver: 10" Cone
  • Magnetic Shielding: Yes
  • High Cut Filter: 40 - 140 Hz
  • Phase Control (Normal or Reverse): Yes
  • Auto Standby: Yes
  • BASS (Bass Action Selector system): Yes
  • Dynamic Power: 250W
  • Frequency Response: 20 - 160 Hz (-10 dB) 
  • Product Dimensions: 13-3/4" W x 16-15/16" H x 15-1/16" D
  • Product Weight: 41.9 lbs
  • Shipping Dimensions: 21" W x 18-1/8" H x 18-1/4" D
  • Shipping Weight: 46.3 lbs
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