The GDS® Audio™ Amplified Speaker with PTT Breakout Feature (RAM-SPEAK-A03) delivers powerful, reliable sound for in-cab communication—no batteries required. Hardwire it directly into your vehicle or connect via a GDS® hardwire charger using the SAE connector. The built-in audio breakout feature supports an optional PTT microphone or headset (sold separately), enabling half- or full-duplex conversations depending on your setup. With an adjustable output of up to 99dB, this speaker ensures clear audio even in noisy environments. Integrated overcurrent, short circuit, and overvoltage protection provide added peace of mind. Designed as part of the GDS® Ecosystem™, the speaker easily mounts to any GDS® vehicle dock with the included short or standard bracket adapter and hardware.