Fosi Audio V3 at Madly Audio Canada

Fosi Audio V3-48V Mono Amplifier

$199.99
Sale price  $199.99 Regular price 
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Fosi Audio V3 at Madly Audio Canada
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Fosi Audio V3-48V Mono Amplifier

$199.99
Sale price  $199.99 Regular price 
Description

The V3‑48V Mono is a compact, high‑power monoblock amplifier engineered for audiophiles who want clean, controlled output and flexible system building. Developed in response to global user feedback following the V3 stereo amplifier, it delivers up to 240W at with advanced PFFB technology, upgraded components, and balanced or single‑ended input options. With a full‑body heat dissipation design, selectable gain, and support for op‑amp customization, the V3 Mono offers a powerful and adaptable foundation for multi‑channel home audio systems, desktop setups, or high‑demand speaker configurations.

Features

High‑Power Monoblock Design — Drives a single passive speaker with up to 240W @ 4Ω, ideal for building 2‑channel, 3‑channel, 4‑channel, or full home theater systems.

Advanced PFFB Technology — Post‑Filter Feedback reduces load dependency, improves distortion performance, and enhances frequency response for cleaner, more accurate playback.

Audiophile‑Grade Components — Built with TI’s TPA3255 chip, Nichicon capacitors, ELNA capacitors, WIMA capacitors, Sumida inductors, and an upgraded four‑layer PCB for stability and fidelity.

Low‑Distortion Performance — Achieves THD < 0.006%, SINAD up to 101 dB (XLR), and SNR ≥ 123 dB for detailed, transparent sound.

Flexible Input Options — Supports XLR, ¼" TRS balanced, and RCA single‑ended inputs with selectable gain.

Op‑Amp Rolling — Replaceable NE5532 op‑amps support DIP8 dual discrete upgrades such as Sparkos SS3602, MUSES02, OPA2604, Burson V5i, V6, V7, and more.

Advanced Cooling — Full‑body heat dissipation design with bottom‑mounted chip placement and dual side ventilation for stable high‑power operation.

Energy‑Efficient Operation — Auto power/signal sensing mode helps reduce energy consumption during idle periods.

Specifications

Channel: 1.0
Amplifier Chip: Texas Instruments TPA3255
Inputs: RCA, XLR, ¼" TRS
Output: Speaker Output (supports banana plug or bare wire connection)
SINAD: XLR: 101 dB; RCA: 93 dB
SNR: ≥ 123 dB
Dynamic Range: ≥ 123 dB
THD: < 0.006%
Gain: XLR/¼" TRS: 20 dB; RCA: 19 dB or 25 dB
Terminal Impedance: 2–8 Ω
Rated Power Output: 48V/5A — 240W @ 4Ω; 32V/5A — 100W @ 4Ω
Frequency Response: 10 Hz–30 kHz (±0.06 dB)
Input Voltage Range: DC 32–48 V
Standard Power Supply: 48V/5A

Included Accessories:

  • V3 Mono Power Amplifier
  • 48V/5A or 48V/10A Power Adapter
  • User Manual

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