The product is easy to use and seems reliable so far.
Yamaha GQ031B Graphic Equalizer ②
Product Details
The Yamaha GQ031B is a graphic equalizer with a wide range of frequency adjustments, perfect for professional sound quality tuning. Power confirmed. It was used until February 2026.
- Brand: Yamaha
- Model: GQ031B
- Type: Graphic Equalizer
- Connection Terminals: XLR Input, RCA Output
- Adjustable Frequencies: 20Hz, 31.5Hz, 40Hz, 63Hz, 80Hz, 125Hz, 200Hz, 315Hz, 500Hz, 800Hz, 1kHz, 1.5kHz, 2.5kHz, 4kHz, 6.3kHz, 10kHz, 12.5kHz, 16kHz
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Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.



