Pioneer Car Audio Lonesome Car-Boy * Cassette Deck KP-66G - Operation confirmed. Playback, fast forward, and rewind were confirmed. Bass, treble, balance, volume, and loudness adjustments were possible. No unusual noises were detected. The lock does not engage during fast forward/rewind (sometimes it does). * 2ch Amplifier GM-30 - Sound output confirmed. * Cassettes were stable and had no problems. * This is a set of a cassette deck and an amplifier. * Operation has been confirmed, but this is a product from over 40 years ago, so please understand it is sold as-is, with no returns or exchanges. * Please comment to confirm stock availability.