Cloud MA40E Stereo Mini Amplifier, 20W @ 4 Ohms

The Cloud MA40E is a mini amplifier providing 20W Stereo Output at 4Ω (low impedance). It is fitted with an Ethernet and RS232 interface, two line inputs and a facility port input option allowing connection of the LM-2 wall input module and the new Cloud BT-1F Bluetooth Audio Wireless input module.

Cloud MA40E Stereo Mini Amplifier, 20W @ 4 Ohms Features

- 2 x 20W 4Ω Stereo Output
- 2 stereo line inputs with individual input gain
- Line 1 Priority Input
- ENERGY STAR Certified
- APD - Auto Wake & Hibernation
- Ethernet / RS232 Level / Source / EQ Control
- Facility Port Input
- Music Mute
- 12-24V Power Supply

Cloud MA40E Stereo Mini Amplifier, 20W @ 4 Ohms Specifications

- Power Input: 12 V to 24 V DC
- Power consumption: 47 W
- External: AC PSU adaptor Universal type, 100 V to 240 V, 47 to 63 Hz
- Amplifier protection: Fixed level signal limiter, Protection against DC, PSU overcurrent, amplifier overcurrent, over-temperature, supply voltage under/over-voltage, Resettable internal breaker (no fuses)
- Height: 41mm
- Width: 220mm
- Depth: 144.5mm
- Weight: 750g

Line inputs
- Frequency Response: ±1 dB, 20 Hz to 20 kHz
- Distortion: <0.1 %
- Sensitivity: 0.2 V (-12 dBu) to 1.95 V (+8 dBu)
- Input Gain Control: 20 dB range
- Input Impedance: 10 kohms (unbalanced)
- Headroom: >12 dB
- Noise: <-90 dB
- Equalisation:
  - LF: ±10 dB @ 50 Hz
  - HF: ±10 dB @ 10 kHz

Facility input
- Input Impedance: 10 kohms (balanced)
- Sensitivity: 0.775 V (0 dBu)

Microphone input
- Frequency Response: -3dB @ 120 Hz (filter) to 20 kHz ±1 dB
- Distortion: <0.1%
- Gain: 10 dB to 50 dB
- Input Impedance: >2 kohms (balanced)
- Headroom: >12 dB
- Noise: <-90 dB
- Phantom Power: +12 V (internal jumper)

Output
- Output Power: (1 kHz continuous sine wave) 40 W, DC input >18 V