Powerful Performance on Four Channels

The Hegel C54 is part of the C5 Series – a modular amplifier family that combines maximum performance and versatility.
With 4 × 150 watts at 8 ohms and stability down to 2 ohms, the C54 confidently drives even the most demanding loudspeakers.
Two separate power supplies and a precisely tuned circuit design guarantee absolute control, deep, defined bass, and a dynamic sound image – even with complex loads or high volumes.

Hegel's SoundEngine² – Purity through Innovation

At the heart of the C54 is Hegel's patented SoundEngine² technology, which detects and neutralizes distortions in real time.
The principle is similar to active noise cancellation systems: any arising distortion is eliminated in reverse phase before it affects the output signal.
The result is a pure, open, and detailed reproduction without harshness – always musical, controlled, and dynamic.
Through its low-bias Class A/B operation, the C54 remains cool enough for rack mounting even during intensive use.

Modular and Adaptable

The C5 Series stands for uncompromising flexibility.
The C54 offers four individually configurable channels, ideal for multi-channel systems, bi-amping, or professional studio applications.
Each channel features switchable gain (23 / 29 dB) and phase inversion (0° / 180°) to enable perfect integration into any setup.
Thanks to the trigger input and output, the amplifier can be controlled in a chain with other devices – ideal for multiroom or rack systems.

Design for Professional Use

The Hegel C54 combines robust construction with audiophile precision.
The massive housing with integrated rackmount ears (3U) allows for professional installation in 19" racks, while included feet also allow for classic placement on a HiFi shelf.
All inputs and outputs – balanced (XLR) and unbalanced (RCA) – are high-quality gold-plated and ensure long-lasting signal stability.

Sonic Precision that Inspires

Whether in home cinema, in the recording studio, or as part of a multi-channel music system – the C54 delivers transparent, dynamic, and finely resolved sound quality, as otherwise only found in individual power amplifiers .
Its high damping factor of over 2000 guarantees uncompromising control over every loudspeaker, while the SoundEngine² technology provides an effortless naturalness that makes even long listening sessions enjoyable.

Specifications

Output Power: 4 × 150/300/600 W into 8/4/2 Ω @1kHz 1% THD
Minimum Load: 2 Ω
Analog Inputs: 4 × XLR (balanced), 4 × RCA (unbalanced)
Control Input: 1 × 3.5 mm Mini Jack (5–12 V Trigger)
Control Output: 1 × 3.5 mm Mini Jack (11.9 V Trigger Out)
Gain Switchable: 23 dB / 29 dB (per channel)
Phase Control: 0° / 180° (switchable per channel)
Frequency Response: 5 Hz – 100 kHz
Signal-to-Noise Ratio: > 100 dB
Crosstalk:< –100 dB
Distortion (THD):< 0.01 % @ 100 W / 8 Ω / 1 kHz
Intermodulation:< 0.01 % (19 kHz + 20 kHz)
Damping Factor: > 2000
Dimensions (W × H × D): 482 × 132 × 520 mm (incl. handles, excl. feet)
Weight (Net/Gross): 33 kg / 38.5 kg

Special Features

• 4 × 150 W into 8 Ω – stable power even with difficult speakers
• SoundEngine² Technology – real-time distortion correction for pure sound
• DualAmp & DualPower – separate signal and power stages
• Modular design – flexible for multiroom, studio, or bi-amping
• Gain switch (23 / 29 dB) and phase inversion (0° / 180°) per channel
• Balanced XLR and unbalanced RCA inputs
• Trigger In/Out for system control
• Rack-compatible 3U design with optional stand feet
• Damping factor >2000 for precise bass control
• Developed according to Hegel's "Organic Sound" philosophy

Scope of Delivery

• Hegel C54 Multi-Channel Power Amplifier
• Rackmount kit and stand feet
• Power cable
• User manual

GP Acoustics GmbH
Nordhofstr. 2, 45127 Essen, DE
hegel.de@kef.com
https://www.hegel.com/de/