forum threadcvp33 posted Today 12:10 AM
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Item 1 of 4
forum threadcvp33 posted Today 12:10 AM
Fosi Audio car amplifier 4x100watts $112
$112
$139
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Fosi Audi has been raising the bar with home audio. Leveraging chip technology to make huge power in a very small form factor. Now they've brought that expertise to automobiles. Never thought I would see a 4 x 100 W car audio amplifier that you could literally hold in your hand.
$139 LIST
$112 w/coupon - no tax, no tariff, FREE shipping
CA30EB20
Premium Chipset Infineon IR4322
With eight years of expertise in amplifier design, Fosi Audio has built a global reputation for compact, powerful, and great-sounding amplifiers. The CA30 is Fosi's first car amplifier. It brings our home audio technology and tuning experience to the car audio world- making your in-car listening more enjoyable.
SINAD≥80dB
THD+N≤0.008%
SNR≥100dB
Noise Floor≤200μV
Description
4 Channel Car Audio Amplifiers: Class D 4-channel design supports stereo connection and bridging for flexible system configs. Infineon IR4322 chip delivers clean, full-range sound to drive your vehicle's speakers with low distortion and minimal heat
HiFi Sound Quality: Brings Fosi Audio's home audio technology to the car audio world. Features JRC/ST op-amps with THD+N ≤0.008%, SNR ≥100dB, and ultra-low noise floor ≤200μV—specifications that outperform standard car amplifiers in its class
88% High Efficiency & Bridgeable: Class D design minimizes heat while delivering 100W x 4, and bridgeable mode provides 320W x 2 @ 4Ω for subwoofers. REM wire enables linking on/off with your head unit, while adjustable HPF/LPF crossover (50–250 Hz)
Compact Universal Fit: Measures 7.3" x 3.9" x 1.7" to fit under seats or tight spaces. Compatible with 10–16V DC gasoline vehicles, including sedans, SUVs, trucks, MPVs, Jeeps, and vans, for easy installation
Smart Cooling & Protection: CNC aluminum finned heatsink keeps temps low for stable, long-session sound. Built-in protection against overheating, short circuits, over-/under-voltage, and reverse polarity; handy LED indicators keep you informed
https://fosiaudio.com/products/fosi-audio-ca30
$139 LIST
$112 w/coupon - no tax, no tariff, FREE shipping
CA30EB20
Premium Chipset Infineon IR4322
With eight years of expertise in amplifier design, Fosi Audio has built a global reputation for compact, powerful, and great-sounding amplifiers. The CA30 is Fosi's first car amplifier. It brings our home audio technology and tuning experience to the car audio world- making your in-car listening more enjoyable.
SINAD≥80dB
THD+N≤0.008%
SNR≥100dB
Noise Floor≤200μV
Description
4 Channel Car Audio Amplifiers: Class D 4-channel design supports stereo connection and bridging for flexible system configs. Infineon IR4322 chip delivers clean, full-range sound to drive your vehicle's speakers with low distortion and minimal heat
HiFi Sound Quality: Brings Fosi Audio's home audio technology to the car audio world. Features JRC/ST op-amps with THD+N ≤0.008%, SNR ≥100dB, and ultra-low noise floor ≤200μV—specifications that outperform standard car amplifiers in its class
88% High Efficiency & Bridgeable: Class D design minimizes heat while delivering 100W x 4, and bridgeable mode provides 320W x 2 @ 4Ω for subwoofers. REM wire enables linking on/off with your head unit, while adjustable HPF/LPF crossover (50–250 Hz)
Compact Universal Fit: Measures 7.3" x 3.9" x 1.7" to fit under seats or tight spaces. Compatible with 10–16V DC gasoline vehicles, including sedans, SUVs, trucks, MPVs, Jeeps, and vans, for easy installation
Smart Cooling & Protection: CNC aluminum finned heatsink keeps temps low for stable, long-session sound. Built-in protection against overheating, short circuits, over-/under-voltage, and reverse polarity; handy LED indicators keep you informed
https://fosiaudio.com/products/fosi-audio-ca30
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Fosi Audi has been raising the bar with home audio. Leveraging chip technology to make huge power in a very small form factor. Now they've brought that expertise to automobiles. Never thought I would see a 4 x 100 W car audio amplifier that you could literally hold in your hand.
$139 LIST
$112 w/coupon - no tax, no tariff, FREE shipping
CA30EB20
Premium Chipset Infineon IR4322
With eight years of expertise in amplifier design, Fosi Audio has built a global reputation for compact, powerful, and great-sounding amplifiers. The CA30 is Fosi's first car amplifier. It brings our home audio technology and tuning experience to the car audio world- making your in-car listening more enjoyable.
SINAD≥80dB
THD+N≤0.008%
SNR≥100dB
Noise Floor≤200μV
Description
4 Channel Car Audio Amplifiers: Class D 4-channel design supports stereo connection and bridging for flexible system configs. Infineon IR4322 chip delivers clean, full-range sound to drive your vehicle's speakers with low distortion and minimal heat
HiFi Sound Quality: Brings Fosi Audio's home audio technology to the car audio world. Features JRC/ST op-amps with THD+N ≤0.008%, SNR ≥100dB, and ultra-low noise floor ≤200μV—specifications that outperform standard car amplifiers in its class
88% High Efficiency & Bridgeable: Class D design minimizes heat while delivering 100W x 4, and bridgeable mode provides 320W x 2 @ 4Ω for subwoofers. REM wire enables linking on/off with your head unit, while adjustable HPF/LPF crossover (50–250 Hz)
Compact Universal Fit: Measures 7.3" x 3.9" x 1.7" to fit under seats or tight spaces. Compatible with 10–16V DC gasoline vehicles, including sedans, SUVs, trucks, MPVs, Jeeps, and vans, for easy installation
Smart Cooling & Protection: CNC aluminum finned heatsink keeps temps low for stable, long-session sound. Built-in protection against overheating, short circuits, over-/under-voltage, and reverse polarity; handy LED indicators keep you informed
https://fosiaudio.com/products/fosi-audio-ca30
$139 LIST
$112 w/coupon - no tax, no tariff, FREE shipping
CA30EB20
Premium Chipset Infineon IR4322
With eight years of expertise in amplifier design, Fosi Audio has built a global reputation for compact, powerful, and great-sounding amplifiers. The CA30 is Fosi's first car amplifier. It brings our home audio technology and tuning experience to the car audio world- making your in-car listening more enjoyable.
SINAD≥80dB
THD+N≤0.008%
SNR≥100dB
Noise Floor≤200μV
Description
4 Channel Car Audio Amplifiers: Class D 4-channel design supports stereo connection and bridging for flexible system configs. Infineon IR4322 chip delivers clean, full-range sound to drive your vehicle's speakers with low distortion and minimal heat
HiFi Sound Quality: Brings Fosi Audio's home audio technology to the car audio world. Features JRC/ST op-amps with THD+N ≤0.008%, SNR ≥100dB, and ultra-low noise floor ≤200μV—specifications that outperform standard car amplifiers in its class
88% High Efficiency & Bridgeable: Class D design minimizes heat while delivering 100W x 4, and bridgeable mode provides 320W x 2 @ 4Ω for subwoofers. REM wire enables linking on/off with your head unit, while adjustable HPF/LPF crossover (50–250 Hz)
Compact Universal Fit: Measures 7.3" x 3.9" x 1.7" to fit under seats or tight spaces. Compatible with 10–16V DC gasoline vehicles, including sedans, SUVs, trucks, MPVs, Jeeps, and vans, for easy installation
Smart Cooling & Protection: CNC aluminum finned heatsink keeps temps low for stable, long-session sound. Built-in protection against overheating, short circuits, over-/under-voltage, and reverse polarity; handy LED indicators keep you informed
https://fosiaudio.com/products/fosi-audio-ca30
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8 Comments
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The Infineon IR4322 is a high-performance, 2-channel integrated Class D audio amplifier chipset designed to deliver high-quality sound with minimal heat, often utilized in compact, high-efficiency audio applications. It is frequently highlighted as a core, premium component in specialized audio equipment, such as the Fosi Audio CA30 car amplifier.
SPECS:
Design: Integrated 2-channel analog input Class D audio amplifier in a small 7x7 mm PQFN44 package.
Performance: Capable of delivering up to 100W x 2 output.
Efficiency: High-efficiency design (around 88%) that often allows for operation without a mechanical heatsink in typical music playback, reducing system size.
Protection Features: Integrated self-resetting protection for overcurrent, over-temperature, and under-voltage.
Audio Quality: Designed for low distortion and high-fidelity sound, featuring clip and fault reporting.
Car Audio: Used in compact 4-channel amplifiers to provide high-power, low-distortion sound.
Home Audio: Suitable for home theater systems, powered speakers, and docking stations.
The IR4322 is part of a family (including the IR4321) that integrates a PWM controller and digital audio MOSFETs to achieve a high power-to-size ratio.
https://www.youtube.com/watch?v=bycYfpN
https://www.youtube.com/watch?v=bycYfpN
Just watched the test video. 650watts X 2 bridged @ 2ohms…..That's amazing.
CA30EB20
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