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Low Power (<30W per channel)

4 x 15W 4Ohm Class D Audio Amplifier Board for Game Machine and Kiosk[775]

★★★★★(0 recommends)

SKUAA-KA32475

24.90

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Description

This audio amplifier board is a 4CH audio amplifier board specially designed for game machine applications, delivering 15W output power per channel. It features compact size, full protection and high reliability, applying to audio 4.0 system. Industrial pluggable terminal blocks make it easy to be integrated in systems. If you want this board to function as 2.1 (2 x 15W + 1 x 30W) or 2.0 (2 x 30W), please contact us for customization.

The volume is set at the maximum as default. External volume control potentiometer is also available for customers to achieve volume adjustment.

High Reliability and Stability Verified by Strict Tests

We have carried out extremely strict test for this board to ensure its reliability and stability. In addition to functional test and performance test, all boards go through HALT and HASS test before storage. All the test data have been recorded to form test report. If you have special requirements on test, please contact us.

Package Includes

1pc AA-KA32475, KAB6-415

1pc power supply cable

2pcs 3.5mm AUX IN cables

2pcs speaker cables

  • Number Of Channel(s)4
  • Output Power15
  • SizeOthers
  • ChipsetTPA31xx
  • Heat DissipationNo Heat Sink & FAN
  • Supported Parallel Bridge Tied Load ModeYES
  • inputSingle ended Line-in,
  • Power Voltage10V-24V
  • Output Power: 15W@8Ohm 16V DC THD+N 10%
  • Power Indicator
  • BTL Architecture
  • Suitable for Audio 4.0/2.0 System
  • External Volume Control Port
  • Overcurrent Protection
  • Overtemperature Protection
  • 4-screw Easy Installation
  • Size: 3.90 x 3.00 x 0.52 inches
Specifications typical @ +25℃, powered by 24V DC, unless otherwise noted. Specifications subject to change without notice.
Parameter Conditions Min. Typ.  Max. Units
Power Supply - 10 12 24 VDC
Idle Power - - 1.67 - W
Power Consumption 1/4 of max output power@8Ohm, 24V, 1kHz - 19 - W
1/8 of max output power@8Ohm, 24V, 1kHz - 10 - W
Maximum Current 4x15W @ 8Ohm, 24V - 3.1 - A
Efficiency 4 x 15W@8Ohm, 1kHz - 81 - %
Minimum Load Impedance 7.5W @ 12V - 4 - Ω
Switching Frequency SD Floating - 310 - kHz
Parameter Conditions Min. Typ. Max. Units
Gain @8Ohm, 20Hz - 20kHz - 25.6 - dB
Input Sensitivity(RMS) 4x 15W@8Ohm, 1kHz - 580 - mV
Input Impedance - - 10 -
Bandwidth @ ±3dB @8Ohm 20 - 20K    Hz
THD 5W@8Ohm, 1kHz   0.030   %
10W@8Ohm, 1kHz   0.051   %
Output Noise Level A-weighting, Input Connected to GND   88   uV
SNR 4 x 15W@8Ohm, THD+N=1%,  A-weighting   103   dB

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