Fosi Audio V3 Mono Power Amplifier Combo
Fosi Audio V3 Mono – Set of 2 Monoblock Amplifiers
Get maximum channel separation, greater dynamics and uncompromising sound quality with this set of two Fosi Audio V3 Mono monoblock amplifiers. Each amplifier drives one passive speaker with up to 240 watts at 4 ohms, making the solution ideal for serious stereo systems, active home theatres or as power amplifiers in advanced AV installations.
The V3 Mono is designed for audiophile enthusiasts who want high performance in a compact format. At the heart of the amplifier is the acclaimed Texas Instruments TPA3255 Class D amplifier chip combined with Fosi's advanced PFFB (Post-Filter Feedback) technology, which reduces load-dependent variations, lowers distortion and ensures a more linear frequency response across different speakers.
The construction uses carefully selected quality components, including Nichicon, ELNA and WIMA capacitors, Sumida coils and an advanced 4-layer PCB design. The result is an exceptionally clean and detailed sound reproduction with low noise and high precision.
For maximum operational reliability, the amplifier module is mounted directly against the aluminium cabinet, which acts as an effective heat sink. At the same time, ventilation openings on the sides ensure optimal heat dissipation under load.
The V3 Mono supports both balanced and unbalanced connections via XLR, 6.35 mm TRS and RCA. Gain can be adjusted according to the installation, and the intelligent signal detection automatically turns the amplifier on and off as needed. The installed NE5532 operational amplifiers are also replaceable, allowing for further sonic customization with popular op-amps from, for example, Sparkos, MUSES or Burson.
Specifications per amplifier:
- Type: Mono power amplifier
- Number of channels: 1
- Amplifier chip: Texas Instruments TPA3255
- Inputs: RCA, XLR, 6.35 mm TRS
- Speaker output: Banana plug or stripped cable
- SINAD: 101 dB (XLR) / 93 dB (RCA)
- Signal-to-noise ratio (SNR): ≥ 123 dB
- Dynamic range: ≥ 123 dB
- THD: < 0.006 %
- Gain: 20 dB (XLR/TRS), 25-31 dB (RCA)
- Speaker impedance: 2-8 ohms
- Output power: Up to 240 W at 4 ohms (48 V power supply)
- Frequency range: 10 Hz - 30 kHz (± 0.06 dB)
- DC input: 32-48 V
Package includes:
- 2 × Fosi Audio V3 Mono monoblock amplifiers
- 1 × 48 V / 10 A power supplies
- Documentation
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