Yamaha DXS15mkII 15" Powered Subwoofer

This updated DXS15mkII speaker produces tight, powerful low frequencies down to 40Hz with 135dB SPL, thanks to its optimized band-pass design and state-of-the-art DSP.

• The description claims the speaker can produce low frequencies as low as 40Hz at 135dB SPL.
• The description claims the optimized band-pass design and state-of-the-art DSP ensure focused, powerful, and distortion-free output.