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D&B D20
$3,000.00
The D20 amplifier offers excellent power, pristine signal processing, and rock-solid reliability in a compact 2U frame. With intelligent DSP, user-friendly interface, and integrated loudspeaker presets, it’s a smart choice for professional audio systems demanding performance and flexibility.
D&B audiotechnik D20 – 4‑Channel Class‑D Amplifier with DSP
The D20 is a four-channel digital amplifier designed by d&b audiotechnik for high-performance live and installed sound applications. It delivers advanced signal processing, efficient Class‑D amplification, and intuitive control in a rugged 2U form factor.
Power Output
- 4 × 1,600 W at 4 ohms (12 dB crest factor)
- 4 × 1,000 W at 4 ohms (6 dB crest factor)
- 4 × 800 W at 8 ohms
- Bridge mode and mixed configurations are supported
DSP & Processing
- 2 × 16-band parametric EQ per channel
- Delay adjustable up to 10 seconds per channel
- Preset loudspeaker configurations for d&b systems
- LoadMatch technology for speaker cable compensation
- Adjustable gain, limiter, phase, and polarity settings
- Total system latency approximately 0.3 ms
Connectivity
- 4 analog XLR inputs
- 4 AES3 digital inputs with fallback options
- 4 loudspeaker outputs via NL4 connectors (NL8 optional)
- Ethernet control via OCA/AES70 protocol
- CAN-Bus for d&b remote network compatibility
User Interface
- 3.5-inch color TFT touchscreen
- Intuitive rotary encoder and menu navigation
- Real-time metering, configuration, and fault monitoring
Protection & Power
- Universal power supply (100–240 V AC) with power factor correction
- Full suite of protection circuits: short circuit, thermal, overcurrent, and DC
- Variable-speed fans with front-to-rear airflow
- Power-on soft start and auto-mute under fault conditions
Specifications
| Feature | Detail |
|---|---|
| Channels | 4 |
| Output @ 4 Ω | 1,600 W (12 dB crest factor) |
| Output @ 8 Ω | 800 W |
| Frequency Response | 20 Hz – 20 kHz ±0.5 dB |
| THD + N | < 0.01% |
| S/N Ratio | > 110 dB |
| Latency | ~0.3 ms |
| Dimensions | 2U – 19” rack, ~460 mm depth |
| Weight | Approx. 10.8 kg |
Applications
- Ideal for mid-sized FOH systems and monitor setups
- Integration with d&b speakers including point-source, column, and subwoofer models
- Touring, corporate AV, and permanent installations requiring network control and reliability
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