Expedition XP312w is a rechargeable portable PA with a built‑in Class D amplifier delivering 300 watts peak to a two‑way enclosure (10" woofer, 1" tweeter). It includes a four‑channel mixer with XLR, 1/4" and 1/8" inputs, Bluetooth audio streaming, variable reverb, and voice‑over ducking with a line output for daisy‑chain setups. The system ships with a Concert 88a handheld wireless microphone and an optional second receiver slot for expansion, providing up to 12 hours of operation from the built‑in battery.