Go back
Compact 20W digital amplifier
C-AF20D | Commend
20W digital amplifier designed for decentralized, cabling-saving installations, ideal for intercom and public address systems in public spaces, offices, galleries, tunnels, or noisy industrial environments. It offers 20W RMS output power into 4 ohms or 2x10W into 8 ohms, features a rugged polycarbonate housing, short-circuit and over-range protection, line monitoring, and high-quality audio up to 16 kHz. Its compact size and easy integration with Commend intercom servers make it versatile and reliable.
Please login to view price
Description
Description
The Commend AF 20D digital amplifier is a compact and robust solution for intercom and public address applications. With a power output of 20 W RMS into 4 ohms or 2 x 10 W into 8 ohms, it is ideal for decentralized installations near loudspeakers and intercom terminals, ensuring cabling savings and seamless integration with intercom servers. Its polycarbonate casing and resistance to operating temperatures from -25 °C to +55 °C make it a device suitable for harsh environments such as stations, auditoriums, waiting rooms, tunnels and industrial plants.
Main features- Output power 20 W RMS into 4 ohms or 2x10 W into 8 ohms.
- Highly efficient Class-D amplifier with low heating.
- Short circuit and overload protection, with monitoring of the line to the intercom server.
- Support for microphone, line inputs, relay and remote volume control 0 10 V.
- Audio band from 50 Hz to 15 kHz, transmission up to 16 kHz for high voice quality.
- Removable screw terminal connectors for wiring and easy installation.
- Compact dimensions: 159 à— 49 à— 78 mm; weight including packaging 220 g.
- Wall-mounted (kit included) or on DIN rail with optional accessory.
- Power supply 20 26 VDC, maximum consumption 1.2 A at 20 W.
- IP20 protection rating; operation guaranteed up to 95% relative humidity.