The Ecler DARA-4B900 is a four-channel Class D installation amplifier with built-in DSP and network control, rated at 4x 900W into 4 ohms and 4x 1600W into 2 ohms. Pairs of channels can run 70V or 100V lines or be bridged for 3200W into 4 ohms, and routing, EQ, speaker presets and limiters are set from a web browser. It suits larger multi-zone installs in bars, clubs, hotels, retail, gyms, function rooms and places of worship.
4x 900W
Into 4 ohms
900W
Per channel at 100V
3200W
Bridged, 4 ohms
1U
Rack height
ControlConfiguration is through the embedded web application over Ethernet. End-user control is from Ecler PULSO touch panels or the PULSO app.
Features
Four channels, 4x 900W into 4 ohms, 550W into 8 ohms, 1600W into 2 ohms
Output mode set per pair of channels: 2, 4 or 8 ohms, 70V, 100V or bridge
4 balanced analogue inputs with an internal 4 x 4 digital matrix
DSP on inputs and outputs: delay, parametric and graphic EQ, compressor, FIR filters, RMS and peak limiters
40 speaker presets (22 Ecler, 18 custom) and 15 amplifier presets
Two Ethernet ports with built-in switch for daisy-chaining
Set up and monitored from the embedded web application
Remote control from Ecler PULSO panels and the PULSO mobile app
4 GPI inputs (0 to 10V) for remote volume, plus external mute contact
Auto standby, and a front panel that can be locked in software
Specifications
| Channels | 4 analogue in, 4 amplified out |
| Output power, all channels driven (1% THD) | 8 ohm: 550W, 4 ohm: 900W, 2 ohm: 1600W, 100V/70V: 900W per channel |
| Bridged output | 4 ohm: 3200W, 8 ohm: 1600W |
| Amplifier technology | Class D |
| Voltage gain | 36 dB |
| Input sensitivity | 0 dBV (1 Vrms) |
| Input impedance | 20 kohm, balanced |
| Maximum input level | +20.8 dBV (+23 dBu) |
| Frequency response | 15 Hz to 22 kHz (-3 dB, 1W) |
| THD+N | <0.1% (1 kHz, 0.1W to full power) |
| Signal-to-noise ratio | 97.8 dBA |
| Crosstalk | >90 dB (1 kHz) |
| DSP | 32-bit floating point, 24-bit / 48 kHz converters, 1.5 ms latency |
| Delay | 20 ms per input, 300 ms per output |
| Control | Embedded web application; 2x RJ-45, 100 Mb, daisy-chain |
| GPI | 4x 0 to 10V, plus external mute contact |
| Input connectors | 3-pin Euroblock, balanced, 3.5 mm pitch |
| Output connectors | Euroblock, 5.08 mm pitch |
| Mains | 100 to 240V AC, 50/60 Hz, IEC C14 inlet, PFC >0.96 |
| Power draw at 230V | 1/8 power into 4 ohms: 692.5W; idle: 100W; standby: 4.8W |
| Efficiency | 74% (1/4 power into 4 ohms) |
| Cooling | 2 fans, 57 dBA maximum |
| Operating temperature | -20 to 40°C |
| Dimensions (W x H x D) | 482.6 x 44 x 414 mm, 1U rack |
| Weight | 7.65 kg |





