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Big Jeff Online Inc is a family based business and is able to give one on one time with our customers

Whether you are an SPL boomer or sound quality fanatic, our mission at Cadence has always been to build products that make your audio system perform at its absolute best.

Over the past 20 years, Cadence has earned a reputation among car audio lovers for truly original designs and innovations. Our business has grown exponentially with distribution in over 20 countries worldwide.

Our pledge to you is: to take extraordinary measures, to create extraordinary products, to set no limits. We will serve you with a consuming passion - and that's what separates Cadence from the rest.
14 products
  • Cadence SQS65B Marine 6.5" 2-Way Coax System 400W

    Regular price
    $44.95
    Sale price
    $44.95
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  • 2x 6.5" 400W Boat Marine RGB LED Light Remote Speakers Black Cadence SQS60RGB

    Regular price
    $79.95
    Sale price
    $79.95
    Add to cart
  • SoundBar 6.5" Bluetooth Marine Grade Speaker 240W Powered ATV UTV

    Regular price
    $149.90
    Sale price
    $149.90
    Add to cart
  • 6.5" 400w Waterproof Marine Boat Speakers 2-Way White Cadence Seaqua Pair

    Regular price
    $44.95
    Sale price
    $44.95
    Add to cart
  • 2x 6x9" 2 Way Black Marine Speakers 480 Watts 4 Ohm Boat IP65 Waterproof

    Regular price
    $69.95
    Sale price
    $69.95
    Add to cart
  • 2x 8" BT Marine Wake Board Tower Speakers Powered Amplified Cadence White 400W

    Regular price
    $499.95
    Sale price
    $499.95
    Add to cart
  • 2x 6x9" 2 Way Marine Speakers 480 Watts 4 Ohm Boat Pro Audio IP65 Waterproof

    Regular price
    $69.95
    Sale price
    $69.95
    Add to cart
  • 2x 6.5" Marine Speakers Universal Amplified Bluetooth Controller Cadence BTM-2

    Regular price
    $79.95
    Sale price
    $79.95
    Add to cart
  • 2x 8" Bluetooth Marine Wake Board Tower Speakers Powered Amplified Cadence Black 400w

    Regular price
    $499.95
    Sale price
    $499.95
    Add to cart
  • Cadence 8" Bluetooth Marine Grade Speaker 1300W Powered Sound Bar ATV UTV

    Regular price
    Sold out
    Sale price
    $149.95
    Add to cart
  • 6 Channel Marine ATV Micro Amplifier 750W 1 Ohm Stable Knob Cadence

    Regular price
    Sold out
    Sale price
    $199.95
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  • Marine ATV Micro Amplifier 600W Mono Block 1 Ohm with Bass Knob Cadence

    Regular price
    $129.95
    Sale price
    $129.95
    Add to cart
  • 4 Channel Marine Amp 500 Watts 2 Ohms Bridgeable Amplifier Cadence

    Regular price
    $139.95
    Sale price
    $139.95
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  • Marine Amplifier Class D 1200 Watts Monoblock 1 Ohm with Bass Knob Cadence

    Regular price
    $149.95
    Sale price
    $149.95
    Add to cart