Adastra RM480D 100V Mixer-Amplifier - 480W with DAB+, Bluetooth & USB
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The Adastra RM480D is a 5-channel, 19" rack-mountable mixer-amplifier designed for commercial sound installations. With 480W of power, it supports both 100V line speakers and standard speakers down to a 4 Ohm load. This amplifier features multiple input options, including XLR with switchable phantom power, mic/line jack, and RCA line inputs. The built-in DAB+/FM radio tuner, USB/SD audio player, and Bluetooth connectivity provide flexible playback options, all controlled via an integrated media player. A switchable ‘voiceover’ function lowers background music when a signal is detected on mic input 1, while rear panel 24V contacts can mute all except mic input 1 when triggered.
Key Features
- 480W RMS power output for high-performance commercial audio applications
- DAB+/FM radio tuner for digital and FM radio playback
- Bluetooth 5.0 receiver with a unique serial ID for secure wireless streaming
- USB/SD audio player for direct media playback
- 4 switchable 100V outputs & 1 always-on output for priority alert speakers
- Optional 4-16 Ohm output for standard speaker configurations
- Multiple inputs: XLR (with switchable +20V phantom power), 2x mic/line jacks, 2x RCA line inputs, 1x RCA line output
- Switchable VOX voiceover function automatically reduces background audio for clear speech
- 2U 19" rack-mountable design with included rack ears
- 24V emergency mute contacts for system-wide muting when triggered
- Dual power options: 230V mains or 24V DC
Why Choose the Adastra RM480D?
The RM480D is an ideal solution for businesses, conference halls, educational institutions, and retail spaces requiring a reliable and flexible audio system. Its range of input and output options, built-in media player, and emergency mute function make it suitable for background music, paging, and public address applications. The ability to power both 100V and standard low-impedance speakers adds to its versatility.
Specifications
- Power Output: 480W RMS
- Power Supply: 170-264V AC, 50Hz (IEC) / 24V DC (screw terminals)
- Inputs: Mic XLR, 2x mic/line jack, 2x RCA line
- Output Impedance: 4-16 Ohms / 100V
- Line Output: RCA
- Speaker Outputs: 4 switched + 1 non-switched
- Bluetooth Version: 5.0
- Equalization: Bass (100Hz ±10dB), Treble (10kHz ±10dB)
- Phantom Power: +20V (switchable, Mic 1 XLR)
- Emergency Control: 24V contacts – mute all except Mic 1 when triggered
- Total Harmonic Distortion (THD): <1.0%
- Weight: 9.66kg
- Dimensions: 433 x 410 x 88m