Lab Gruppen E 4:2 400W Amplifier with 2 Output Channels for Installation

AED 4440.45 inc VAT.

The E 4:2 is an Energy Star qualified amplifier that offers low lifetime cost of ownership by maintaining low current draw during operation and reduced power consumption in idle mode, ensuring high output levels with minimal energy use, while delivering exceptional Lab Gruppen sound performance and robust power output, meeting strict efficiency standards.

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Description

Lab Gruppen E 4:2 Amplifier

The E 4:2 amplifier is a high-performance, energy-efficient solution that stands out with its smart green credentials, low operational cost, and compliance with rigorous Energy Star certification standards. It offers exceptional audio quality while maintaining a low environmental footprint.

Features

400 W amplifier with 2 flexible output channels in a compact 1U rack unit.
Energy Star certified for reduced power consumption and environmental impact.
IntelliDrive technology delivers 2 x 200 W at 70 V or low impedance (2, 4, 8 Ohms).
Asymmetric channel loading optimizes system efficiency and inventory management.
High efficiency Class-D amplifier minimizes heat generation and cooling requirements.
Comprehensive fail-safe circuit protection ensures reliable operation.
Auto-standby and auto-power-on features reduce power draw to below 1 W during non-operational cycles.
Rail Sense Limiter reduces signal clipping, enabling easy configuration for various loads.
Selectable 50 Hz high pass filter on the rear panel for each channel.
Rear panel attenuation knob and signal LEDs for straightforward setup.
Temperature-controlled cooling fan with front-to-back airflow.
Aluminum front panel with power, temperature, signal, and limit LEDs per channel.
GPIO connector for integrated power control and system monitoring.
Balanced analog inputs and outputs on detachable screw terminals.

Specifications

Specification	Details
Number of amplifier channels	2
Max total output all channels driven	400 W
Peak output voltage per channel	100 V / 70 Vrms
Max. output current	11 Arms
Output power (2 Ohms)	200 W
Output power (4 Ohms)	200 W
Output power (8 Ohms)	200 W (70 V mode), 100 W (Lo-Z mode)
Output power (16 Ohms)	200 W (70 V mode), 50 W (Lo-Z mode)
Output power (70 V)	200 W
Output power (100 V)	200 W to a 100 V load tapped at 400 W
THD 20 Hz – 20 kHz at 1 W	<0.1%
THD at 1 kHz and 1 dB below clipping	<0.05%
Signal to Noise Ratio	>112 dBA
Channel separation (Crosstalk) at 1 kHz	>70 dB
Frequency Response	2 Hz – 40 kHz
Input impedance	20 kOhm
Common Mode Rejection (CMR)	50 dB
Output impedance	25 mOhm
Gain and Limit configurations	2 pos: Lo-Z and 70 V
VPL for 70 V mode	100 V
Sensitivity (4 Ohm, Lo-Z mode)	4 dBu
Cooling	Temperature-controlled single fan with front-to-rear airflow
Nominal Voltage	100 – 240 VAC
Dimensions (W x H x D)	483 mm x 44 mm x 276 mm
Weight	4.2 kg
Finish	Dark grey aluminum front, black steel chassis
Approvals	CE, RoHS, WEEE, UL 60065, CSA C22.2 NO. 60065, FCC Part 15 Subpart B Class A, PSE, CCC, Energy Star