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MY1-251PA

Single Channel Amplifier with Switching Power Supply

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Features

Output Topology structure	Half-bridged
Modulation method	Analogue input ,PWM
Output power	250W@8Ω 500W@4Ω	1kHz,THD+N=1%@8Ω 1kHz,THD+N=1%@4Ω 1kHz,THD+N=1%@8Ω
THD+N	0.01%	1kHz,1w
Efficiency	80%	1kHz,500w
S/N	>110dB（full power）	A-weighty
Frequency Response	<+/-1.5dB	20~20kHz@8Ω
Minimum Load Impedance	2Ω 4Ω	Stereo，Mono Bridge mode
Power supply	110V/220V AC 50/60Hz	±20%
Quiescent power dissipation	<20w
External dimension	132 x 135 x 60mm

General Description

Powered Digital Amplifier Module Series of Shenzhen Bao Ye Heng Co., Ltd are mainly designed for the competitive audio power amplifier market and the powered speaker market. It features with low cost, good sound, high effeciency and reliability. Perfect protection functions and favorable EMC help your products in quick occupation into the market.

Applications include:

1. Powered speakers and Subwoofers

2. Professional Audio

3. Public Address systems

4. High-end stereo and multi-channel amplifiers

Brief Theory Introduction

The Powered Digital Amplifier Module of Shenzhen Bao Ye Heng Industrial Development Co., Ltd is composed of digital amplifier module in high efficiency and excellent sound, and switch power supply with high peak power, low electromagnetic interference. The module provides various protecting functions for itself and speakers.

The amplifier adopts patented digital audio processing technology, it has the below advantages:

Self-adaptive erasing noise and distortion

High stability and reliability

Favorable electromagnetic compatibility

Low idle current, high efficiency

Half bridge structure, imbalance output, can be bridged

Second-order Butterworth low pass filter

Power supply is high efficiency switch mode power supply, it has the below advantages:

Soft switch technology

Peak output power vs continuous output power is up to 3:1

Low EMI frequency modulated oscillator

Perfect protection features and automatic restart

110VAC and 220VAC selectable

Other features

Over heat protection

Thermal output power control

Long term output power control

Output short-circuit, overload protection

Output DC protection

Amplifier under-voltage protection

Temperature controlled fan interface

Mute

Faulty indicate

Mains power selectable

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