The Arcam SA45 integrated amplifier is a stereo model featuring Class G amplification and an output of 180 W per channel into 8 Ω or 300 W per channel into 4 Ω. It supports Dirac Live room correction and features two subwoofer outputs, as well as MM and MC phono inputs. Its digital audio platform supports high-resolution files up to 32 bit / 384 kHz and includes an ESS Hyperstream iV DAC in a balanced configuration with jitter elimination.

The 8.8-inch high-resolution display shows album artwork and metadata. Connectivity includes Bluetooth 5.4, Apple AirPlay, Google Cast, Spotify Connect, Tidal Connect, Qobuz Connect and Roon Ready, while the ARCAM Radia app supports settings, internet radio and podcasts.

• Type: Integrated amplifier
• Channels: Stereo
• Amplification technology: Class G
• Power per channel into 8 Ω: 180 W
• Power per channel into 4 Ω: 300 W
• Signal-to-noise ratio: 110 dB
• RCA analogue inputs: 3 pairs
• XLR analogue inputs: 1 pair
• Phono inputs: MM and MC
• Optical digital inputs: 2
• Coaxial digital inputs: 2
• HDMI input: 1 HDMI eARC
• Subwoofer outputs: 2
• Room correction: Dirac Live
• Bluetooth: 5.4, Snapdragon Sound and Auracast
• Wireless services: Apple AirPlay, Google Cast, Spotify Connect, Tidal Connect, Qobuz Connect, Roon Ready
• Supported audio files: FLAC, WAV (LPCM), AAC, ALAC, AIFF, DSD up to 256, MP3, MP4, OGG, WMA
• Supported streaming bit depth: 16, 24 and 32 bit
• Supported streaming sample rate: Up to 384 kHz
• Frequency response: 20 Hz–20 kHz ± 0.2 dB
• Harmonic distortion: 0.002% at 8 Ω and 1 kHz, at 80% of power
• Width: 43.2 cm
• Height: 14 cm
• Depth: 39 cm