• AMP523 - Web-based mini stereo amplifier 2 x 15W

AMP523

Web-based mini stereo amplifier 2 x 15W
  • 4 unbalanced stereo line inputs
  • 1 x Microphone input
  • Priority audio inputs with phantom power
  • Compatible with AUDAC Touch™
  • RS232 & TCP/IP control port
  • S-box™ modular multifunctional enclosure
  • Lightweight class-D amplifier
3 years
Where to buy?

The AMP523 is a mini stereo amplifier with an integrated web-based control unit featuring four stereo line inputs and one balanced microphone input with phantom power. It has an output power rating of 2 x 15 Watt. The simple and compact but versatile functionalities make it perfectly suited for small speaker systems requiring compact and economical audio solutions which are comprehensive and easily controllable. Some typical applications are classrooms where the audio system will be used in combination with a smartboard, offices and meeting rooms where the music should switch automatically from background music to speech or playback when the presentation starts, …. and many other similar applications.

The compact size and very high efficiency even make it possible to hide it in a closet, on a false ceiling or mount it under a desk or table. The various stereo line inputs allow simultaneous connections for different sources such as laptops, CD or MP3 players and tablets while having a microphone connected. The switching between the inputs, volume regulation and other function controls can be done in multiple ways: an integrated website makes it possible to control all the functions from any computer with a web browser without requiring additional software while the RS232 connection makes it possible to control the AMP523 with any device supporting serial communication such as a computer or even a home or industrial automation system. Another option is to control the system through smartphones and tablets using the special developed AUDAC Touch™ app.

Using this freely available application for smart devices guarantees total system control and configuration from any device on any location and at any time. To make the installation even more complete, an optional MWX43 or MWX45 wall panel can be installed to control the signal routing and volume level from one or multiple fixed locations. The Class-D amplifier technology, standby mode and included switching power supply makes this device compliant to the highest energy efficiency and environmental requirements. A variety of optionally available mounting brackets for the AUDAC S-Box product range are allowing desk, closet or 19” equipment rack installation.

Compatible with AUDAC Touch™ 2
RS232 & TCP/IP control port
4 unbalanced stereo line inputs
Microphone input (Can be set to priority input)
Speaker output (Terminal block)
Lightweight class-D amplifier
S-box™ modular multifunctional enclosure
AMP523 - Web-based mini stereo amplifier 2 x 15W

Technical specifications

Available models
AMP523MK2 MK2 version
System specifications
RMS/AES power handling @ 4 Ω Stereo 2 x 15 W
@ 8 Ω Stereo 2 x 7.5 W
Satellite @ 8 Ω Bridge 30 W
Inputs Unbalanced Stereo Type 4 x Stereo Unbalanced Line
Balanced Stereo Connector 18-pin Euro Terminal Block (Pitch - 3.81 mm)
Impedance 20 kΩ
Sensitivity -10 dBV ~ +4 dBV
Balanced Microphone Type 1 x Balanced Microphone
Connector 18-pin Euro Terminal Block (Pitch - 3.81 mm)
Impedance 47 kΩ
Sensitivity -45 dBV ~ -20 dBV
Other Type 1 x RS-485 + Differential audio
Connector RJ45
Type 1 x RS-232
Connector SUBD9
Type 1 x Ethernet
Connector RJ45
Outputs Type 1 x Stereo Loudspeaker
Connector 4-pin Euro Terminal Block (Pitch - 5.08 mm)
THD+N (@ 1 kHz) < 0.1%
Crosstalk (@ 1 kHz) < -75 dB
Signal / Noise > 95 dB
Power Consumption Standby < 3.0 W (PSD242 included)
Supply 24V DC (PSD241 switching Power supply included 100 ~ 240V AC / 47 ~ 63 Hz)
Efficiency 87%
Cooling Passive
Protection Over heating
DC Short circuit
Limiter
Control RS-232
TCP/IP
RS-485
Socket Connections (AUDAC Touch™) 2 sockets
Product Features
Dimensions 108 x 44 x 165 mm (W x H x D)
Weight 0.81 kg
Accessories Included PSD241 - Power supply 24V / 1.67 A (Efficiency Level V)
Optional Wall Controller (MWX45)
WMI18/22 & WLI18/22 Wall input unit
MBS1xx Wall mounting brackets
TR3030 100V Transformer 30 W
WP2xx Universal wall panel
Recommended applications
Bars & Restaurants
Retail
Education
Corporate
Residential

Example setups

Peripheral device compatibility table

M2 R2 MTX AMP523MK2 APG20 LX523 ARU1xx AMP20
WLI checkmark checkmark checkmark
WMI checkmark checkmark checkmark
DW506x checkmark checkmark
DW30/40x checkmark checkmark
MWX65 checkmark
MWX4x checkmark checkmark
APM1xx checkmark checkmark checkmark checkmark
WP523 checkmark checkmark
MPX48/88 checkmark
ARU1xx checkmark checkmark checkmark

FAQ

Answer

As the power consumption of an amplifier, strongly depends on how hard the amplifier is driven, measurements are provided for various loads: idle, 1/8 of average full power, 1/3 of average full power, and full power.

Idle 
Current draw at idle or with very low signal level

1/8 Power: Pink Noise
Amplifiers are tested using pink noise signals to simulate real-world speech and music signals.  It approximates operating with music or voice with light clipping and represents the amplifier's typical "clean" maximum level, without audible clipping. This 1/8 power signal provides a very good approximation of how hard an amplifier would be driven by typical real-world speech/music signals, assuming those signals were being driven as loud as possible without clipping the amplifier.

1/3 Power: Pink Noise
1/3 Power Pink Noise is similar to 1/8 Power Pink Noise, except that it is a significantly more powerful input signal. It approximates operating with music or voice with very heavy clipping and a very compressed dynamic range. This 1/3 power signal provides an approximation of how hard an amplifier would be driven by typical real-world speech/music signals, assuming those signals were being driven loud enough to clip the amplifier heavily, and produce severe, audible distortion.

Full Power
Current draw at full power is measured with a sine wave at its maximum possible level. However, it does not represent any real-world operating condition and represents the absolute extremes that an amplifier could ever experience.
 

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