The Yamaha HS8S is an 8" powered subwoofer built to deliver tight, transparent bass extension in studio environments where accurate low-end monitoring is essential. Designed to complement HS Series studio monitors, the HS8S features a powerful 150W amp, flexible crossover controls, and precision tuning options. With a frequency response down to 22Hz and Yamaha’s signature low-resonance enclosure, this sub delivers the clarity and control you need to make confident mixing decisions.

Features

• 8" cone subwoofer with 150W power output
• Frequency response down to 22Hz
• Variable high and low cut controls (80Hz – 120Hz)
• Phase switch and level control for flexible tuning
• XLR and TRS stereo inputs
• XLR subwoofer and extension outputs
• MDF cabinet with low-resonance, mitered-joint construction
• Noise-reducing port design for cleaner low-end response

Specifications

General
- System Type: Powered subwoofer
- Enclosure: Low-resonance MDF, bass-reflex
- Power Output: 150W
- Frequency Response: 22Hz – 150Hz
- Input Sensitivity: -10 dBu
- Power Indicator: White LED (Power On)

Transducer
- Size: 1 x 8" (203 mm) cone

Inputs/Outputs

Inputs:
 • 2 x XLR3-31 (balanced)
 • 2 x 1/4" TRS (balanced)

Outputs:
 • 2 x XLR (L/R)
 • 1 x XLR EXT SUB out

Controls
- LEVEL control
- HIGH CUT control (80 – 120Hz, center click)
- LOW CUT switch (On/Off)
- LOW CUT control (80 – 120Hz, center click)
- PHASE switch (Normal/Reverse)

Physical
- Dimensions (W x H x D): 11.8" x 13.8" x 15.3"
- Input Impedance: 10 kΩ
- Output Impedance: 600 Ω