IRCore350M ±55V 300W 4Ω Class-D Amplifier

$45.00 USD

Designed to get a good sounding amplifier while providing a large headroom for dynamic music.

Uses OPA1692 opamp buffer for smooth and clear sound.

A low dropout regulator IC is used in the analog supply section of IRS2092 for better noise performance.

Uses Infineon OptiMos(TM) 3 for the output mosfets. This newer technology mosfets can produce double the output current at 4 ohms load compared with the reference design with no performance penalty.

Flat wirewound copper, low loss output inductor is used which improves the THD performance and sound of this amplifier module.

The heatsink mounting is designed such that the mosfets can be easily attached to a wide variety of heatsinks that are available in the market.

Package Includes
1 pc assembled and tested mono module, without main heatsink.
Instruction manual via email

Recommended Supply Voltage: ±25V to ±55V DC
Power ±55V (< 1% THD): 150W @ 8Ω
Power ±55V (< 1% THD): 300W @ 4Ω
THD+N: less than 0.05% at 250W 4Ω
Voltage gain: 28
Input sensitivity: 2V RMS
Input impedance: 10K Ω
Load impedance: 4Ω or 8Ω
Idle dissipation: ~5W at ± 55V DC
PCB area: 114mm x 85mm
Overcurrent /short protection: Yes
Speaker Protection: No
Over/under voltage protection: No
Overheat protection: No
Input Opamp: OPA1692
Main Chip: IRS2092S

DIY stereo amplifier
Retrofitting old amplifiers
Karaoke / Videoke / Jukebox systems

Recommended Power Supply (not included)
Split 25V to 55V DC (300W per channel)
Add a minimum of 6800uF, 80V capacitor per rail

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