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Micro AMP 4 mkII

4 channels headphone amplifier

Category:
Description
Applications
Specifications

Ideal for a multi-listening

Four outputs are offered by Micro AMP 4 mkII for simultaneous listening on 4 headphones with volume control on each channel. Their use is very simple, plug in an audio source, power, headphones and adjust the volume.

The output power is high up to 250mW per channel to power all kinds of headphones including the ID-AL mono earphone. The Micro AMP 4 delivers uncompromising audio quality across the bandwidth, bass is powerful and treble accurate.

Micro AMP 4 mkII is in 1/3 format 19’’ rack 1U. Install up to 3 modules with the optional shelf and integrate other ID-AL products such as MicroPlayer, EventPlayer, My Music/Video Player …

Designed and manufactured in France, the Micro AMP 4 mkII has a 3 year warranty.

  • POS Audio kiosk
  • In museums, integrate several headphones for an animation or a showcase
  • Create multi-listening for information kiosks requiring multiple headsets
  • Pair it with the ID-AL mono earphone to replace a headset during audio tracks.

Download the datasheet

Interfacing and Connectivity

  • Status LED
  • 4 volume knobs (one for each headphone output)
  • 4 headphone stereo audio outputs on standard 3.5 mm (TRS) jacks
  • Unbalanced line-level stereo audio input on standard RCA connectors
  • External DC power supply chassis socket – Plug Ø 2.1 mm / 5.5 mm

Audio Amplifiers

  • Headphone outputs:
    • 2 × 85 mW – 32 Ω, THD+N = 0.1 %, 1 kHz
    • 2 × 110 mW – 32 Ω, THD+N = 10 %, 1 kHz
    • 2 × 200 mW – 8 Ω, THD+N = 0.1 %, 1 kHz
    • 2 × 325 mW – 8 Ω, THD+N = 10 %, 1 kHz

Power Supply

  • Player power supply input:
    • Nominal voltage: 12 V DC
    • Power supply range: from 12 V to 15 V DC
  • Supplied mains adapter input:
    • Voltage: from 100 V to 240 V
    • Frequency: from 50 Hz to 60 Hz
  • The player is protected against polarity reversal.

Current Consumption (12 V supplied)

  • Consumption for the maximum level of listening with 4 × 32 Ω headphones: up to 150 mA
  • Recommended power supply for full use of the device – output current: 500 mA
  • Standby mode – input level set to zero: less than 30 mA

Thermal Information

  • Operating ambient temperature: from 0 to +60 °C
  • Storage temperature: from -20 to +60 °C

Dimensions

  • Width: 140 mm – 1/3 of a 19-inch rack
  • Height: 43 mm – 1U
  • Depth: 107 mm

Weight

  • 238 g