Tosunra IT4080 Power Amplifier 450W*4 8ohm is a 4-channel power amplifier made for clear and strong sound. It delivers reliable performance and is ideal for
large speakers or event setups. The amplifier has a solid metal body, built-in cooling fans, and protection against overheating, short circuits, and overload. It also
supports different input types, making it easy to connect to various audio systems.
Features
4 channels for driving multiple speakers
Balanced and unbalanced input connections
Cooling fans to manage heat during use
Protection circuits: short circuit, overload, overheating
Durable build (metal chassis) for professional use
Stereo/Parallel/Bridged mode selector
With DC Protection, Short Circuit, Over Load, Over Heat, Over Voltage to make amplifier safe
Reasonable cooling system to make amplifier work well at normal temperature
Efficient and powerful high-current toroidal transformer
Top quality parts and advanced design to give perfect sound quality
Specification
Model : TOS-IT4080
Power Output : 450W × 4 channels @ 8 Ω
Power Output @ 4 Ω : Perhaps ~650‑700W × 4 (higher current draw)
Frequency Response : ~20 Hz – 20 kHz
THD (Total Harmonic Distortion) : ≤ ~1% at rated power
Signal‑to‑Noise Ratio (SNR) : ~85‑100 dB
Input Sensitivity : ~1‑2 V RMS for full rated power input
Input Impedance : Balanced: ~10‑20 kΩ; Unbalanced somewhat lower
Cooling : Fan cooling (forced air)
Protection Features : Overload, thermal, short circuit, DC protection
Build Quality / Materials : Copper winding with Sturdy metal chassis
Packing Size: 48.5 x 54 x 10 cm (L x W x H)
Weight: 24.55 KG
Specification
Model : TOS-IT4080 COPPER
Power Output : 450W × 4 channels @ 8 Ω
Power Output @ 4 Ω : Perhaps ~650‑700W × 4 (higher current draw)
Frequency Response : ~20 Hz – 20 kHz
THD (Total Harmonic Distortion) : ≤ ~1% at rated power
Signal‑to‑Noise Ratio (SNR) : ~85‑100 dB
Input Sensitivity : ~1‑2 V RMS for full rated power input
Input Impedance : Balanced: ~10‑20 kΩ; Unbalanced somewhat lower
Cooling : Fan cooling (forced air)
Protection Features : Overload, thermal, short circuit, DC protection
Build Quality / Materials : "Pure Copper" winding with Sturdy metal chassis
Power Output (8Ω/Stereo) : 450W x 2
Power Output (4Ω/Stereo) : 600W x 2
Transistor: 56PCS/NJW(0281/0302)
Capacitance: 63V10000UF/16PCS
Transformer: 80V-80V-0V-40V-40V-2800W
100% Pure Copper
Product Size: 48.5 x 54 x 10 cm (L x W x H)
Weight: 23.25 KG
