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Sure Electronics AA-AB33182 4x100W at 4 Ohm Class D Audio Amplifier Board

5 reviews

Brand: Sure Electronics

Show all Amplifier modules

4 x 100 W

€ 54,92€ 66,45 10+ In stock

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Ordered now, shipped on Monday
At least two years warranty
45-day cooling-off period to return

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Product description

This Class-D audio amplifier board simplifies the creation of exceptional sounding custom multi-channel systems. It has perfect class-T architecture and is integrated with a high performance STA508 chip supporting dual channel audio amplification.

Highlights

Audiophile quality sound using class-T architecture
Four channels -- each up to 100W
Pre-assembled, pre-tested
Ample heat sink with cooling fan
Up to 90% efficiency

Product details

Sure Electronics AA-AB33182 4x100W at 4 Ohm Class D Audio Amplifier Board STA508 (TK2050)

Tip: Take a look at the table in this blogpost to see which power supply to choose for this product.

This class-D board uses class-T architecture, with integrated STA508 chip supporting dual channel audio amplification, to create exceptional sounding custom multi-channel systems. Compatible with power supplies ranging from 10V to 30V DC, it can be used in many audio applications. The amplifier has four channels with the same power of up to 100 watts each, resulting in outstanding sound quality and versatility. You can employ any number of channels you like, and leave the others unused.

This amplifier is exceptionally well designed, with a lot of power reserve, high fidelity, low distortion, good S/N ratio, high sensitivity, and full protection with heatsink and fan. These ideal characteristics make this amplifier a candidate to become the basic building block of your future high fidelity system, or it can become the element that will upgrade an existing system.

Specifications

Article number: AA-AB33182
Rated power output: 4 x 100 watts at 4 ohms
Minimum load: 4 ohms
Efficiency: 92 %
Signal-to-noise ratio (SNR): 90 dB
Distortion: 0.03 % THD at 1 kHz, 4 ohms, 1 watt
0.09 % THD at 1 kHz, 4 ohms, 10 watts
Frequency response: 20 - 20,000 Hz
Gain: 32 dB
Input sensitivity: 520 mV
Input impedance: 10k ohms
Amplifier Classification: Class D
Circuit Topology: STMicroelectronics STA508
Speaker output channels: 4
Input connection type: RCA
PCB solder connection
Speaker output connection type: Screw terminals
PCB solder connection
DSP function: -
Bluetooth: -
EQ Adjustment: -
Power Requirements: 15 - 27 VDC
Power inlet connector: DC jack (5.5/2.5 mm)
screw terminals
Current limit: 16.1 A
Under/over voltage protection: -
Dimensions (L x W x H): 152.4 x 114.3 x 33 mm
Mounting hole spacing: -
Mounting hole diameter: 3.8 mm

Reviews

5 reviews

Review this product

4 of 5

Een heel mooi versterker ontwerp.

By Teus Verhey on 14 February 2022

5 of 5

Sauber verarbeitet, macht optisch einen sehr ordentlichen Eindruck, einzig das Lüfterkabel sitzt etwas stramm. Der Klang ist prima, das Teil hat auch ordentlich Dampf, nachgemessen habe ich aber nicht. Alles in allem bin ich sehr zufrieden.

By Arne S. on 20 January 2021