Lab Gruppen C48:4 Amplifier

5,745.00 (including VAT @ 23%)

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Estimated delivery to you: 15th December 2016
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1 year warranty and 30 day money back guarantee included

1 year warranty and 30 day money back guarantee included

Once the product is delivered, you have 30 days to decide that you definitely want to keep it. If you decide it is not suitable for any reason, you can return it back to us for replacement or full refund, including standard delivery charges.

All Products are new unless stated, and include a minimum of one year warranty.

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Product Ref: 56810

  • Versatile Four-Channel Amplifier
  • Adaptable to a Variety of Loads
  • Each Channel has Configurable Voltage Peak Limiter
  • Phoenix-Type Input Connectors
  • Efficient Cooling System

Lab Gruppen C48:4 Amplifier

The Lab Gruppen C 48:4 is a 2u spaced, four channel amplifier in the C series ideal for a range of installation requirements. The amplifier is the third largest in the series with an impressive 4 x 1200 W output into 4 ohm loads.

Product Ref: 56810

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Full Description

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Like all the models in the C series, the C48:4 is capable of adapting to a wide variety of load demands, as well as having individual configurable Voltage Peak Limiter (VPL). This enables the output to be optimised for any loudspeaker load as well as working with adjustable input gain to achieve maximum headroom.

Lab Gruppen C Series

The Lab Gruppen C series of 4 and 8 channel amplifiers provide the solid foundation of install-dedicated amplifiers, with innovative features perfect for the modern installation AV market. The C series is incredibly versatile, reliable and offer superb sound quality.



  • Number of Channels: 4
  • Peak Total Output all Channels Driven: 4800 W
  • Peak Output Voltage per Channel: 141V
  • Max Output Current per Channel: 17.5 Arms

Max Output Power All Channels Driven

  • 16 Ohms: 625 W
  • 8 Ohms: 1000 W
  • 4 Ohms: 1200 W
  • 2 Ohms: 600 W
  • Hi-Z per ch. (all ch.'s driven): 70 Vrms/ 100 V Peak: 1100 W

Max Output Power Bridged

  • 16 Ohms: 2000 W
  • 8 Ohms: 2400 W
  • 4 Ohms: 1200 W
  • 2 Ohms: Not Recommended
  • Bridged per ch 140 Vrms / 200 V Peak: 1800 W


  • THD 20 Hz - 20 kHz at 1W: <0.1%
  • THD at 1 kHz and 1 dB Below Clipping: <0.05%
  • Signal to Noise Ratio: >112 dBA
  • Channel Separation (Crosstalk) at 1kHz: >70 dB
  • Frequency Response (1 W into 8 ohms) +0/-3 dB: 6.8 Hz - 34 kHz
  • Input Impedance: 20 kOhm
  • Common Mode Rejection (CMR): >50 dB, 20 Hz - 20 kHz
  • Output Impedance @ 100 Hz: 30 mOhm

Gain, Sensitivity and Limiters

  • VPL, Selectable per ch: 141, 118, 100, 85, 71, 59, 50, 42 V
  • VPL, When Bridged: 282, 236, 200, 170, 142, 118, 100, 84 V
  • Voltage Peak Limiter Mode (per ch.): Hard / Soft
  • Amplifier Gain Selectable (all channels) - Rear-Panel Switches: 23, 26, 29, 32, 35, 38, 41, 44 dB
  • Default Gain: 35 dB
  • Level Adjustment (per channel): Front-Panel Potentiometer, 21 Position Detented from -inf to

Connectors and Buttons

  • Input Connectors (per ch.): 3-pin Phoenix, Electronically Balanced
  • Output connectors (per ch.): Barrier Strip 2-pole Screw Terminals
  • Output Bridge Mode: A+B and/or C+D, inputs A and C are signal source
  • NomadLink Network: On Board, 2 x RJ45 Connectors IN and OUT
  • Intelligent Fans (on/off): Yes, Depending on Presence of Output Signal
  • Power: Individual Switches on Front Panel
  • Cooling: Two Fans, Front-Rear Airflow, Temperature Controlled Speed

Front-Panel User Interface

  • Common: NomadLink Network; Power Average Limiter (PAL); Power on
  • Per Channel: Signal present / High-impedance; -10 dB and -4 dB output signal;Voltage Peak Limiter (VPL); Current Peak Limiter (CPL): Very High Frequency (VHF); High temperature; Fault; Mute


  • Operating voltage, 230 V / 115 V Nominal: 130-265 V / 65-135 V
  • Minimum Power-up Voltage, 230 V / 115 V: 171 V / 85 V
  • Power Average Limiter (PAL): Yes
  • Power Factor Correction (PFC): No
  • Soft-start / Inrush Current Draw: Yes / Max. 5 A
  • Mains Connector: 230 V CE: 16 A, CEE7; 115 V ETL: 20 A / NEMA 5-20P; C16:4: 15A/NEMA 5-15P


  • Dimensions: W: 483 mm (19"), H: 88 mm (2 U), D: 343 mm (13.5")


  • Weight: 12 kg (26.4 lbs.)


  • Finish: Black Painted Steel Chassis with Gray Painted Steel Front


  • Approvals: CE, ANSI/UL 60065 (ETL), CSA C22.2 NO. 60065, FCC
Your order may be delivered with a plug adapter
If any electrical items in your order are supplied with a United Kingdom plug connection, a suitable plug conversion adapter will be included free of charge.