HARMONY (BY ESB AUDIO) HB8-US-DSP 8" UNDERSEAT SUB - BUILT IN 4CH AMP & 6CH DSP

Marsoni

M251S

$349.50

Get it in 3 business days with 1 day shipping. Friday, May 29

HARMONY (BY ESB AUDIO) HB8-US-DSP 8" UNDERSEAT SUB - BUILT IN 4CH AMP & 6CH DSPHARMONY (BY ESB AUDIO) HB8 US DSP 8" UNDERSEAT SUB BUILT IN 4CH AMP & 6CH DSP This underseat sub is an awesome option for adding bass to you vehicle, while also having the ability to power up your speakers! It features a built in 4x 50 Watt RMS (2 Ohm) CLASS AB Amplifier that is ideal for giving your speakers a big boost! The built in 15 Band EQ is perfect for fine tuning your sound and can even be controlled via the Mobile Phone App! FEATURES Easy

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Reviewed in the United States on May 30, 2026