Pre Amp

  • Zapco ASP-OE2

    OEM Speaker Level to Preamp with Bass Recovery

    The ASP-OE2 is an OEM adaptor designed for superior sound quality, with top end internal parts and Zapco’s custom built high precision pots. It is an active device including the line converter and a signal line driver that puts out 9.5V RMS and 14V peak signal voltage.

  • Zapco ASP-OEB

    2-Channels OEM Speaker Level to Preamp

    The ASP-OEB is a basic 2-channel line converter with a difference. The ASP-OEB is a true active preamp with exactly the same circuitry that is in our other active adapters.