The ARCAM SA45 is a high-power, Class G streaming integrated amplifier with 180W/8Ω per channel, a new high-resolution streaming platform, and a bonded 8.8" display. It supports AirPlay, Google Cast, Spotify Connect, Tidal Connect, Qobuz Connect, Bluetooth with Snapdragon Sound/LE Audio/Auracast, and will be Roon Ready after launch. HDMI eARC, balanced XLR, MM/MC phono, dual sub outputs, and Dirac Live deliver flexible, room-tailored performance. Crafted in the UK with ESS Hyperstream IV DACs and fully balanced signal paths, it’s designed for pristine, dynamic sound.
Get the Details

Arcam Radia SA45 Streaming Integrated Amplifier

• 180W/8Ω Class G amplification with ultra-low distortion
• New high-resolution streaming platform with native casting and services
• ESS Hyperstream IV DAC architecture with advanced jitter control
• HDMI eARC, balanced XLR in, MM/MC phono, dual sub outs
• Dirac Live Room Correction with supplied mic
• 8.8" high-resolution front display and ARCAM Radia app control

Meet the ARCAM SA45, a premium streaming integrated amplifier that blends fifth-generation Class G power with a brand-new high-resolution streaming platform for a truly enveloping listening experience. Engineered in Cambridge, UK and inspired by ARCAM’s flagship A49, the SA45 features fully balanced digital and analog signal paths, ESS Hyperstream IV DAC topology with advanced jitter elimination, and a newly designed low-noise linear toroidal power supply for authoritative, ultra-clean sound. The front hosts a large, bonded 8.8" high-resolution display for artwork and metadata, while the rear panel delivers flexible connectivity including HDMI eARC, balanced XLR in, MM/MC phono inputs, dual subwoofer outputs, and Dirac Live Room Correction for your space. Stream natively via Apple AirPlay, Google Cast, Spotify Connect, Tidal Connect, Qobuz Connect, Bluetooth (Snapdragon Sound, LE Audio, Auracast), and Roon Ready support (after launch) using the ARCAM Radia app.

Arcam SA45 Full Specifications:

• Amplifier Topology: 5th-generation ARCAM Class G; fully balanced digital & analogue paths
• Continuous Power Output (0.5% THD, per channel): 180W (2ch driven, 20Hz–20kHz, 8Ω); 300W (2ch driven, 1kHz, 4Ω)
• Harmonic Distortion: 0.002% (80% power, 8Ω at 1kHz)
• DAC Platform: ESS Hyperstream IV DAC topology with advanced jitter elimination
• Streaming/Control Apps: ARCAM Radia; Spotify Connect; Tidal Connect; Qobuz Connect; Roon Ready (after launch)
• Wireless Casting Services: Apple AirPlay; Google Cast
• ARCAM Radia Supported Services (Global): Internet Radio; Podcasts; UPnP; USB Media (via USB-A mass-storage)
• Display: 8.8" bonded high-resolution panel (artwork & metadata)
• Analogue Inputs: 3 × RCA pairs; 1 × XLR pair
• Phono Stage: Moving Magnet (MM) and Moving Coil (MC)
• Analogue Frequency Response: 20Hz–20kHz ±0.2dB
• Analogue S/N Ratio: 106dB (A-weighted, ref. 50W, 1V input)
• Digital Audio Inputs: 1 × HDMI eARC/ARC; 2 × Coaxial (RCA); 2 × Optical (Toslink)
• Supported Digital Input Bit Depth: 16, 24 bit
• Supported Digital Input Sample Rates: up to 192kHz
• Digital Frequency Response (Filter 1): 20Hz–20kHz ±0.2dB
• Digital S/N Ratio: 110dB (A-weighted, ref. 50W, 0dBFS)
• Supported Streaming File Formats: FLAC, WAV (LPCM), AAC, ALAC, AIFF, DSD (up to 256), MP3, OGG, WMA
• Supported Streaming Bit Depths: 16, 24, 32 bit; Sample Rates: up to 384kHz
• Gapless Playback: Yes
• Room Correction: Dirac Live (with supplied measurement microphone)
• Subwoofer Outputs: Dual
• Bluetooth: v5.4; A2DP Sink/Source, AVRCP, BLE, Snapdragon Sound, AAC, LE Audio, Auracast
• Bluetooth TX Frequency/Power: 2,400–2,483.5MHz; <20dBm
• Wi-Fi Network: IEEE 802.11 a/b/g/n/ac/ax (2.4GHz/5GHz)
• 2.4GHz Wi-Fi TX Range/Power: 2400–2483.5MHz; <20dBm (USA 11 ch; EU/others 13 ch)
• 5GHz Wi-Fi TX Range/Power: 5150–5250MHz <23dBm; 5250–5350MHz <20dBm; 5470–5725MHz <20dBm (not used in China); 5725–5850MHz <14dBm EU / <33dBm other regions
• Power Supply: New linear toroidal transformer; switching supply for peak-efficiency standby
• Mains Voltage: 100–120V / 220–240V, 50/60Hz
• Power Consumption (Max): 1000W; Network Standby: <2W; Standby: <0.5W
• Dimensions (W × D × H): 432 × 390 × 140mm (incl. feet & speaker terminals)
• Weight: 17kg (net); 20kg (packed)
• Packaging: Plastic-free
• Supplied Accessories: Mains lead(s); remote control (2 × AAA); measurement microphone; 5m USB cable; Quick Start Guide; Important Safety Instructions

Arcam SA45 Q&A:

How much power does the ARCAM SA45 deliver?

It outputs 180W per channel into 8Ω across 20Hz–20kHz and 300W per channel into 4Ω (1kHz), with just 0.002% THD at 80% power.

Which streaming and casting options are built in?

AirPlay and Google Cast are built in, with native Spotify Connect, Tidal Connect, Qobuz Connect, and Roon Ready support after launch; gapless playback is supported.

Does it support vinyl turntables?

Yes—there are dedicated MM and MC phono inputs, plus three additional RCA line inputs and one balanced XLR input for sources.

Can I connect my TV and use a single remote volume?

Yes. The SA45 includes an HDMI eARC/ARC input for direct TV connection and synchronized volume control.

What room correction is available?

Dirac Live Room Correction is supported. A measurement microphone is included for calibration.

What wireless standards are supported?

Dual-band Wi-Fi (802.11 a/b/g/n/ac/ax) and Bluetooth 5.4 with Snapdragon Sound, LE Audio, Auracast, and AAC are supported.

Is the SA45 suitable for subwoofers and 2.1 setups?

Yes. It features dual subwoofer outputs to integrate one or two subs.

What are the dimensions and power consumption?

Dimensions are 432 × 390 × 140mm (W×D×H). Maximum power draw is 1000W; network standby is <2W and standby is <0.5W.