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Alpine MRP-M450 amplifier + JBL CB300e bandpass subwoofer bass test

• by admin 
• 24 views
• 5 years ago

Alpine MRP-M450 Mono subwoofer amplifier + JBL CB300e Bandpass enclosure subwoofer bass sound audio test. Good setup for low and high SPL bass. dB test with PC PSU connection. Easy