DALI Rack-Mount Home Audio Amplifier PHANTOM CI AMP-4125 DSP

PERFECT SOUND MADE SIMPLE

The PHANTOM CI AMP-4125 DSP takes care of all the fine-tuning for you. Built-in DALI speaker presets optimise performance for any DALI CI in-wall or in-ceiling installation, ensuring each DALI speaker is perfectly matched to the amplifier’s DSP settings. The result is a balanced and natural sound, with less time spent on calibration and setup. From the very first moment, you can enjoy clear, consistent sound, making every installation simpler and more reliable.

RELIABLE STRENGTH IN A COMPACT FORM

Impressive power and precision from a compact design. The PHANTOM CI AMP-4125 DSP delivers 4 × 125 W or 2 × 250 W of clean, efficient Class-D amplification, giving you dynamic, distortion-free sound at any volume. Designed and developed in Denmark, it provides the dependable performance you need for home cinemas, multi-room systems, and commercial installations alike. The robust 1U half-rack chassis with adaptive fan cooling keeps everything running smoothly, day after day.

TOTAL CONTROL

Precision and simplicity come together in the PHANTOM CI AMP-4125 DSP. Its fully featured DSP suite includes parametric EQs, limiters, compressors, routing options, delay settings and integrated DALI speaker presets, giving you complete control over every detail of your system. All adjustments are easily managed through the PHANTOM AMP CONFIGURATOR web interface, accessible from any Wi-Fi enabled device, so you can fine-tune, save, and recall your preferred settings quickly and confidently.

DESIGNED TO FIT YOUR SYSTEM

With the ultra-compact PHANTOM CI AMP-4125 DSP, you can power a wide variety of installations effortlessly. It delivers four channels of 125 W or two channels of 250 W from a sleek 1U half-rack, giving you flexibility for any setup. Whether you are creating immersive home cinemas with DALI PHANTOM speakers, multi-zone audio with in-wall and/or in-ceiling speakers, or two-zone stereo systems, this amplifier adapts to the task. It also handles height and surround channels, as well as outdoor and commercial spaces such as bars, cafés, restaurants, and fitness centres. With four analogue and two digital inputs plus four speaker outputs, it gives you the versatility and performance your installations demand.

Specifications

Frequency range (+/- 0.5 dB, 8 Ω load, 3 dB below rated power): 13 Hz – 20 kHz
Connection input(s): 4x Analog unbalanced (RCA), 4x Analog balanced (Euroblock connector), 1x S/PDIF (RCA)
Output channels: 4 x Lo-Z speaker (4 – 16 ohm), 2 x Hi-Z speaker (70V / 100V), 1x S/PDIF digital out (RCA)
Maximum speaker cable cross section: 2,5 mm2 / AWG 14 (Euroblock standard)
Output power @ 4 ohm: 4 x 125 W (SE), 2 x 250 W (BTL)
Output power @ 8 ohm: 4 x 125 W (SE), 2 x 250 W (BTL)
Output power @ 70V: 2 x 250 W (BTL)
Output power @ 100V: 2 x 250 W (BTL)
Total system power: 500 W
Output voltage: SE: 70Vp / 140Vpp (unloaded), BTL: 140Vp / 280Vpp (unloaded), 70/100V (High-Z)
Output circuitry: UMAC™ Class D, Full bandwidth PWM modulator with ultra-low distortion
Signal to noise-ratio: >106 dB (A-weighted, 20 Hz – 20 kHz, 8 ohm load)
THD+N (typical): < 0.05 % (20 Hz – 20 kHz, 8 ohm load, 3 dB below rated power)
Other features: Short circuit protection, DC protection, Undervoltage protection, Temperature protection, Overload protection, Rack mountable, Temperature protection, Overload protection, Rack mountable
Power supply: UREC™ universal mains switch mode power supply with Power Factor Correction (PFC) and standby converter
Operating temperature: 0 – 40° C
Operating voltage/ frequency: Universal mains, 100 V-240 V, 50 Hz-60 Hz
Power ratings: 1 % THD @ 120 Vac and 230 Vac
Standby consumption: < 0.6 W
Dimensions (H x W x D): 44 x 220 x 320 mm
Neto weight: 1.97 kg

Package Contents: DALI Rack-Mount Home Audio Amplifier PHANTOM CI AMP-4125 DSP, 2 x Two channel balanced input connector, 2 x Two channel output connector, 1 x GPIO socket connector, 1 x Mains power cable, 4 x Adhesive rubber feet, 1 x Document pack.