Zapco ST-4B 4-Ch. Class AB Amplifier JL Audio Specially shaped rubber surround for

Specially shaped rubber surround for high linear cone excursion

to transfer the sound experience of legendary high-end audio components into a car environment

Enclosed Subwoofer System with Dual 12W0v3-4 Subwoofers

50 Total Q factor Qts 0

HELIX COMPOSE speakers can easily be connected directly to the original wiring harness of the vehicle

Zapco ST-4B 4-Ch. Class AB Amplifier JL Audio Specially shaped rubber surround forThe ST B Series. Great sound for every day use. Zapco has a reputation for sound reproduction and quality that is unsurpassed. It is our dedication to sonic purity and our passion for performance that built Zapco's reputation. With all the new amps coming into the market, not one has been any threat to Zapco's standing as the premium amp and processor line. Just check the audio competition scene and the audio forums. The pros know what to use to win.