The August International WR320 v4 audio receiver connects speakers via a 3.5 mm or optical output and adds them to a multiroom Wi-Fi network. It is controlled via the August A-Link app, which lets you manage individual rooms or play the same track simultaneously on connected devices. It also supports direct Bluetooth connections to nearby source devices.

• Connectivity: Wi-Fi 802.11 a/b/g/n at 2.4 GHz, Ethernet, Bluetooth v4.0
• Audio outputs: Optical, 3.5 mm
• Bluetooth profiles: A2DP, AVRCP, PBAP
• Wi-Fi range: Up to 100 m
• Bluetooth range: Up to 10 m
• Streaming services: Spotify, Tidal, internet radio via the August A-Link app
• Playback control: Manage individual or combined playlists
• Signal-to-noise ratio: ≥ 80 dB
• Total harmonic distortion: ≤ 1.0% at 1 kHz
• Frequency response: 20 Hz
• Power supply: DC 5 V / 500 mA
• Dimensions: 140 x 86.5 x 25 mm
• Weight: 165 g
• Package contents: WR320 unit, USB cable, 3.5 mm audio cable, 3.5 mm to 2xRCA cable, user manual