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FOSI AUDIO M03 Mono + Subwoofer Amplifier
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Accessories for this product
Find here a selection of useful and/or essential accessories for this product. These are specially selected by the Audiophonics team according to the characteristics of the product.
FOSI AUDIO M03 Class D Amplifier Mono + Subwoofer TPA3255D2 120W 4 ohm
The Fosi Audio M03 mono + subwoofer amplifier is an affordable, compact and powerful compact device. It features a TI TPA3255D2 amplifier chip delivering 120W power at 4 ohms. It features two operating modes selectable via a switch on the front panel. The "PBTL" mode lets you power a passive mono speaker and an active subwoofer, while the "SUB" mode lets you power a passive or active subwoofer as desired. The front panel also features a potentiometer for volume control and a second potentiometer for a 20-300Hz low-pass subwoofer filter. This low-pass filter only works in "SUB" mode with a passive subwoofer. Simple and effective, this subwoofer amplifier will enable you to drive a large number of subwoofers available on the market. A 32V DC 5A power supply is provided.
Fosi Audio M03: a TI TPA3255D2 amplifier chip
Fosi Audio decided to integrate a TI TPA3255D2 amplifier chip for its M03 amplifier. This Texas Instrument chip is a Class D power amplifier chip, featuring PurePath™ UltraHD technology for low distortion across the entire audio band and superior audio quality.
Fosi Audio M03 overview
| 1 | Power switch |
| 2 | LED indicator |
| 3 | PBTL or SUB mode switch |
| 4 | Subwoofer cut-off frequency setting |
| 5 | Volume control |
| 6 | RCA input |
| 7 | Subwoofer output |
| 8 | Speaker terminal output |
| 9 | DC power supply |
Technical characteristics
| Specifications | |
|---|---|
| Product type | Mono + Subwoofer amplifier |
| Amplification chip | TI TPA3255D2 |
| Input | 1x RCA input |
| Output | 1x Subwoofer output 1x Speaker terminal |
| Output power | 120W |
| Impedance termination | 4-8Ω |
| Input sensitivity | ≤ 0.2mV |
| Frequency response | 20hz-20 KHz (± 3db) |
| Bass frequency range | 20-200Hz |
| Cut-off frequency | 20 - 300Hz |
| THD | ≤ 0.03% |
| SNR | ≥ 106dB |
| Bass cut-off frequency adjustment | 20-300Hz |
| General | |
|---|---|
| Power supply range | 24-36V DC (32V 5A power supply included) |
| Net weight | 1kg |
| Dimensions | 130 x 115 x 35mm |
| Color | Black |
| Package | 1x Fosi Audio M03 |
| Input | RCA |
| Output | Subwoofer |
| Output | Speaker terminal |
| Color | Black |
| Channel | 1 (Mono) |
| Class | Class D / T |
| Amplifier chip | TPA3255 |
| Power (W) | 120.0 |
| Remote Control | No |
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