
SPA-4500
Dual-channel powerhouse — 2250W + 2250W at 2Ω for concert subwoofers.
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Model: SPA-5000
The World Tone SPA-5000 is a super-power dual-channel MOSFET amplifier delivering 1600W + 1600W at 8Ω, 2200W + 2200W at 4Ω and 2750W + 2750W at 2Ω. A studio-flat 20Hz–20kHz ±0.5dB response, direct-coupled circuitry, toroidal-transformer supply, a switchable built-in limiter and a full multi-stage protection suite (DC-offset, HF, short-circuit, thermal, overload, over-voltage) make it a true touring-class power amplifier for line arrays and subwoofers.
| Power Output | 2750W + 2750W (2Ω) · 2200W + 2200W (4Ω) · 1600W + 1600W (8Ω) |
|---|---|
| Frequency Response | 20Hz–20,000Hz ±0.5dB |
| Speaker Outputs | Speakon per channel · XLR input |
| Features | MOSFET, toroidal transformer, switchable limiter, multi-stage protection |
| Power Supply | AC 220–240V 50/60Hz |
| Weight | 35 kg |