4 x 250W amplifier with integral DSP
SmartAmp 30 is a 4-channel Class D power amplifier with onboard DSP, designed to work with Optimal Audio loudspeakers. Rear-panel dip-switch presets cover a wide range of Optimal Audio speakers — an installer selects the preset for the speaker being driven and the system is correctly configured: EQ shaped, limiting set, headroom protected. No external processor required, no manual tuning. For installations requiring custom speaker profiles or third-party loudspeaker support, the Custom Configurator extends this further.
SmartAmp 30 can drive both conventional low-impedance and 70V/100V constant voltage loudspeaker loads. DSP presets are selected by switches on the rear panel, enabling the appropriate EQ and overload protection for each speaker.
SmartAmp 30 is the highest-output model in the SmartAmp range, delivering a consistent 250W per channel into 4Ω–16Ω — there is no power sharing between channels, so each channel delivers its full rated output independently. The full-width 1U housing fits a standard 19″ rack. SmartAmp 30 is well suited to installations requiring more output per channel than SmartAmp 10 or 20 can provide.
Power Factor Correction power supply technology enables universal AC mains operation without the need for local market power regulation. Ultra-low standby power consumption meets EuP2103 and Energy Star compliance.
For standalone installations, SmartAmp 30 pairs with a ZonePad VL1 for simple in-room volume control without a Zone controller. For larger installations requiring multi-zone scheduling and WebApp control, SmartAmp 30 works alongside any Optimal Audio Zone controller .
Key features
- 4-channel Class D amplification — 250W per channel into 4Ω–16Ω and 70V/100V constant voltage loads
- Rear-panel dip-switch presets — EQ and limiting optimised for a wide range of Optimal Audio loudspeakers
- SmartAmp Custom Configurator for speaker profiles beyond the built-in presets and third-party loudspeaker support
- No power sharing — each channel delivers a consistent 250W independently
- Full-width 1U housing — standard 19″ rack unit
Specifications
| TYPE | CLASS D power amplifier with DSP |
| POWER OUTPUT (4Ω -16Ω) | 4 x 250W |
| 70V-100V OUTPUT | 4 x 250W |
| DIGITAL SIGNAL PROCESSING | EQ & limiter presets for Optimal Audio loudspeakers |
| COOLING | Forced air cooling with fan |
| ANALOGUE IN/LINK | 4 balanced line inputs on Euroblock connectors |
| ANALOGUE INPUT IMPEDANCE | 10kΩ unbalanced, 20kΩ balanced |
| MAXIMUM ANALOGUE INPUT LEVEL | +24dBu |
| AMPLIFIER OUTPUTS | Euroblock |
| SIGNAL TO NOISE RATIO | > 100 dB (A-weighted, 20 Hz – 20 kHz, 8 Ω load) |
| FREQUENCY RESPONSE | 20 Hz – 20 kHz, +0/-0.25 dB (8 Ω load, 3 dB below rated power) |
| TOTAL HARMONIC DISTORTION | < 0.05 % (20 Hz – 20 kHz, 8 Ω load, 3 dB below rated power) |
| SLEW RATE | 8.796V/µS at 70 V peak, low impedence, 17.77V/µS at 100 V peak, high impedence |
| DAMPING FACTOR | 370 with 8Ω load |
| CONTROL AND MONITORING | GPIO |
| DSP SAMPLE RATE | 48kHz |
| MAINS POWER INPUT | Universal Mains, 100-240V, 50-60Hz |
| MAINS CONNECTOR | IEC |
| POWER CONSUMPTION | 300W |
| HEAT GENERATED | 1080 kJ per hour |
| DIMENSIONS | (W) 440mm x (H) 44mm x (D) 308mm (W) 17.32” x (H) 1.73” x (D) 12.13” |
| WEIGHT | 3.6kg (7.9lbs) |
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