4×4 digital audio matrix with 4 balanced analog inputs and 4 outputs. Powerful DSP (ADI SHARC) with Automix, Equalizers, compressor, limiter, gate, echo/noise cancellation, anti-feedback and delay. Compact 1U half-rack design, with brackets for 19″ rack mounting. Powered via PoE (IEEE 802.3af) or 12 V DC. Inputs feature 0–48 dB gain and individually switchable 48 V phantom power. Configuration via AmiControl for Windows; control also available from Windows, Android, and iOS. External control/integration via RS232, RS485, and UDP, with support for AmiCTL wall controllers. 16 exportable presets for quick configuration changes and multi-site deployment. Built-in 2-in/2-out USB sound card, 48 kHz/24-bit. Audio performance: <3 ms latency, 20 Hz–20 kHz frequency range, and up to +18 dBu input/output level. Technical specifications: Processor: ADI SHARC 21489 (×1) Analog inputs: 4 Analog outputs: 4 Sampling rate: 48 kHz / 24-bit Input gain: 0 to 48 dB (3 dB steps) Phantom power: 48V (10 mA max.) Frequency response: 20 Hz – 20 kHz ±0.5 dB Max input / output level: +18 dBu THD: 0.003% @ 1 kHz, +4 dBu Input / output dynamic range: 110 dB / 112 dB Background noise (A-weighted): -91 dB CMRR @ 60 Hz: 80 dB Channel isolation @ 1 kHz: 108 dB Input impedance: 5.4 kΩ Output impedance: 600 Ω System latency: < 3 ms Analog connectors: Balanced Euroblock USB soundcard: 2 in / 2 out — 48K / 24-bit Control protocols: RS232, RS485, UDP Power supply: PoE IEEE 802.3af or 12V DC Max power consumption: 10 W Format: Half-rack 1U Supplied accessories: 12V DC power supply, Euroblock connectors, 19″ rack bracket, USB-A/USB-C cable LINK FOR FULL INFORMATION: Ami04