Arcam A25 Integrated Amplifier




Sublime Musicality + Rich Features = Your Ultimate Music System

The ARCAM A25 is the best sounding, and most feature rich of the Arcam Radia Integrated Amplifiers. The visual luxurious highlights hint towards the more luxurious musical experience that it offers.

This is achieved with a 5th generation Class G amplifier design. You can expect the best sound quality and dynamics from what has always been a better sounding, and more efficient Class of amplifier. ARCAM have painstakingly analysed and reviewed new components and materials to ensure uncompromising sound performance.

The rich feature set includes a USB-C input for your laptop, be it PC, MAC or Raspberry Pie! This augments a Bluetooth solution that includes Qualcomm AptX Adaptive technology with 24-bit HD audio to ensure the best sound quality no matter what you are playing. It can also connect to Bluetooth headphones so your listening experience can continue sensitively after dark.

Like any ARCAM integrated amplifier, they pay particular attention to the built in phono stage to ensure your records sound as lush and engaging as possible.


• 2x 100 Watts per channel into 8 ohms
• Bluetooth 5.2 with AptX Adpative
• Connect wired or wireless headphones
• Hi-res audio USB-C input
• Hi-res audio digital inputs
• Class G amplification
• Solid aluminium, backlit dials
• Aluminium front, top, sides and rear panels • Compact remote control
• Plastic free packaging



Continuous power output (0.5% THD), per channel

2 channels driven, 20Hz - 20kHz, 8Ω: 100W
2 channels driven, 1kHz, 4Ω: 165W
Harmonic distortion, 80% power, 8Ω at 1kHz: 0.002% 

Analogue inputs

Number of inputs: 3 (RCA pairs)
Signal/noise ratio (A-wtd, ref. 50W, 1V input): 106dB
Frequency response: 20Hz—20kHz ± 0.2dB

Phono (MM) Input
Input impedance: 47kΩ + 100pF
Frequency response (ref. RIAA curve): 20Hz—20kHz ± 1dB

Digital Inputs
Bluetooth Version: Bluetooth 5.2 with AptXTMAdaptive technology and AAC
Supported Sample Rates (kHz):
USB-C: 384, 352.8, 192, 176.4, 96, 88.2, 48, 44.1
Coaxial (RCA): 192, 176.4, 96, 88.2, 48, 44.1
Optical (Toslink): 192, 176.4, 96, 88.2, 48, 44.1 
Supported DSD (USB-C Only): 1024, 512, 256, 128, 64

Bit depths (bit): 32, 24, 16
Frequency response (filter 1): 20Hz—20kHz ± 0.2dB
Signal/noise ratio (A-wtd, ref. 50W, 0dBFS): 110dB

Headphone Output
Maximum output level (RMS) into 32Ω/300Ω: 2.5V/5V
Load range: 16Ω - 2kΩ

Mains voltage: 100V or 110–120V or 220–240V, 50–60Hz
Power consumption (maximum): 500W
Power consumption (standby): <0.5W
Dimensions W x D (including speaker terminals) x H (including feet): 431 x 344 x 83mm Weight (net): 9kg
Weight (packed): 12kg
Supplied accessories:
Mains lead(s)
Remote control with 2 x AAA batteries

Quick Start Guide
Important Safety Instructions

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