Description
Optimal Audio SmartAmp 20 is a professional four-channel Class-D amplifier with integrated DSP, specially designed to optimize the performance of the Optimal Audio loudspeaker range. It is ideal for commercial and installation audio applications such as hotels, restaurants, retail stores, wedding venues, museums, fitness studios, houses of worship, corporate offices, and education facilities.
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Features
- Desktop or rack mounted
- Signal processing presets for Optimal Audio loudspeakers
- 125 watts per channel into 4Ω-16Ω and 70V-100V line loudspeaker loads
- Power sharing technology enables 250 watts from two pairs of channels
Technical Specification
- Class-D amplifier with integrated DSP
- 4 × 125W @ 4Ω–16Ω
- 4 × 125W @ 70V/100V
- Power sharing: 250W between channel pairs
- DSP presets for Optimal Audio speakers
- EQ and limiter processing
- Balanced Euroblock inputs
- Euroblock speaker outputs
- Frequency response: 20Hz – 20kHz
- Signal-to-noise ratio: >100dB
- THD: <0.05%
- DSP sample rate: 48kHz
- Universal 100–240V power supply
- Forced-air cooling system
- Half-width 1U rack-mount chassis
- Dimensions: 220 × 44 × 353 mm
- Weight: approx. 2.4kg








