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Arylic A50 Plus - Open Box Wireless Stereo Amplifier 50W Enhance your home audio experience with the Arylic A50 Plus Wireless Stereo Amplifier. Stream high-quality, lossless audio over WiFi and AirPlay, delivering powerful 50W per channel output for immersive sound. Key Features Powerful 50W x 2 Output: Delivers 50W per channel into 4Ω passive speakers using a 24V 4.15A certified power supply for rich stereo sound. Customisable Sound: Supports DSP tuning via the ACPWorkbench tool, allowing different EQ settings for left and right channels and other audio effects. Wireless 2.1 System Support: Includes a subwoofer output to connect an active subwoofer and create a wireless 2.1 audio system. Whole House Audio Solution: Easily set up multiple units in different zones and control music playback via a user-friendly app, with options to sync or play different music simultaneously. Excellent Compatibility: Multiple inputs including RCA, subwoofer out, and optical input to integrate with passive speakers, active subwoofers, AV receivers, and TVs. Supports Major Streaming Services: Compatible with Spotify, Amazon Music, Tidal, Deezer, Qobuz, Internet Radio, iHeartRadio, Napster, and more. Also supports local music playback via NAS and USB storage. Specifications User Interface & Controls LED Indicators: White (WiFi & Network Mode): Flashing fast - device booting; flashing slow - waiting for WiFi connection; solid - WiFi connected Blue (Bluetooth Mode): Flashing slow - waiting for Bluetooth connection; solid - Bluetooth connected Green: Line-in mode Red: USB mode Yellow: Connected to PC Purple: Optical input mode Power Button Functions: Short press once: Switch input mode Long press once: Switch off Short press twice: Disconnect current WiFi or Bluetooth connection and enter pairing mode Short press three times: Restore factory settings Audio Supported Music Formats: FLAC, MP3, AAC, AAC+, ALAC, APE, WAV Audio Decode: Up to 24bit/192kHz Audio Output Quality: 44.1kHz/16bit (CD quality) Frequency Response: 20Hz - 20kHz THD+N: 0.03% @1kHz 50W+50W 24V-4Ω Speaker Impedance: 4-8Ω Speaker Power: 2×50W into 4Ω BTL load at 21V; 2×30W into 8Ω BTL load at 24V Connectivity WiFi: IEEE 802.11 b/g/n 2.4GHz Bluetooth: 5.0 SBC/AAC, 10m range Wired Connection: Ethernet RJ45 Streaming Protocols: AirPlay, DLNA, UPnP, Spotify Connect, Qplay Interfaces DC Input: 12V-24V Audio Inputs: RCA Analog Input x1 (2Vms), Micro USB Input x1, Optical Input x1 Audio Outputs: Sub Out x1 (2Vms), Speaker Output x1 USB Host: For USB pen drive/stick (up to 1000 songs) Antennas: WiFi/Bluetooth Signal General Weight: 0.5kg Dimensions: 114.7 x 107.5 x 37 mm Operating Temperature: 0~40℃ What's in the Box Main unit x1 Antenna x2 User's manual x1 2-1 RCA cables x1 2-2 RCA cables x1 Remote control x1 Screwdriver x1 Phoenix connector x1 24V/4.16A DC power adapter x1