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Vision AV-1900 Mixer Amplifier — professional rack-mountable 4-input mixer amplifier with Bluetooth and RS-232 control for meeting rooms, lecture theatres, and small auditoriums. The Vision AV-1900 is a full-featured mixer amplifier built for demanding AV installations. It accepts four microphone inputs (one XLR, three Phoenix) with per-input switchable phantom power and mic pre-amp trim, plus three stereo line inputs and a Bluetooth input. D-Class amplification keeps the unit compact and efficient. RS-232 control allows integration with Techconnect Control and other third-party systems. Drives 4 or 8 ohm speaker loads, with rack ears included for AV rack installation. Key features 4 balanced mic inputs: 1× XLR + 3× Phoenix — switchable phantom power per input Mic pre-amp trim per input for gain adjustment at the rear panel 3× stereo line inputs: 2× RCA, 1× 3.5mm minijack (front and rear) Bluetooth input (fixed device name and PIN, single pairing) RS-232 control for integration with Techconnect Control and third-party systems D-Class (digital) amplifier — compact, energy efficient Line output (pre-amp, post-mix) for connection to larger amplifiers or powered speakers Auto-standby when no signal detected (disableable via RS-232) 4 ohm and 8 ohm speaker load support Rack ears included for standard AV rack mounting Specifications Mic inputs: 4 — 1× XLR, 3× Phoenix (balanced) Phantom power: Switchable per input Line inputs: 3× stereo (2× RCA, 1× 3.5mm minijack) Wireless: Bluetooth Control: RS-232 Amplifier type: D-Class Speaker load: 4 ohm or 8 ohm Mounting: Rack mount (ears included) Need help choosing? Contact us at +27 32 586 3694 or support@audicoonline.co.za.