Controls: Power ON/OFF, Volume Control, Mute Adjust.

Connectors: Audio Outputs: nominal line level 1/4" mono phone jack and mic level, 3.5 mm DC power mini jack.

LED Indicators: Power "ON";

331: Transmitter "TX";

332: ch. A "ON" and ch. B "ON".

Mute: Externally adjustable with preset minimum.

Unwanted Signal Rejection: 60dB image and spurious.

331/332 Dimensions: 7" x 5" x 1.25" (17.8 x 12.7 x 3.2 cm).

331 Weight: 19 oz. (532 g.)

332 Weight: 20 oz. (560 g.)

Power Requirements: 12V DC @100 mA, tip positive. AC Adapter included.

Antennas: