• Quantum Subwoofers

    Match these subs with the
    right amp then hold on for
    a low-frequency ride.

  • QEQ7  7 Band Equalizer

    Featuring 12 Volts
    of Max Output!


    • QP6100.D Monoblock Amplifier

      Quantum Audio's QP6100.D mono amplifier can send up to 6100 watts to your subs! Loud enough for ya? Read More...

    • QPSM8v4: Quantum Pro Audio Mids

      With a max power of 350 watts and a shallow mount basket, the QPSM8 blows everything else out the water. Read More...

    • QRS Speaker Series

      Wow, talk about efficient! These speakers sound great powered by a factory radio or an aftermarket car stereo! Read More...