Amplifier Power Amplifier Rated output & THD (8 ohm)100 W+100 W (8 Ω, THD 0.05%) Power Amplifier Rated output & THD (4ohm)125 W + 125 W (4Ω/ohms, 1 kHz, T.H.D. 0.05%) Frequency Response20 Hz to 20 kHz : ±1 dB Connected loudspeaker Impedance4 – 16 Ω/ohms Audio Inputs / Outputs Loudspeaker Binding Posts4-way binding posts Digital InputsHDMI (eARC), TOSLINK Analog InputsRCA L/R Subwoofer OutRCA Mono Inputs Audio Options Channel AssignmentsStereo (Default), Dual Mono Volume Limit80-100% Balance-15dB to +15dB Adjustable High Pass / Low Pass Filters40-250 Hz / 40-120 Hz EQBass, Treble -5dB to +5dB Sound ModesStereo, Direct, Virtual, Dialog Enhancer, Night Mode TV Sound GroupingYes Audio Format Support DecodingDolby Digital +, Dolby Digital, LPCM, DSD Stereo PCM / Multi-channel PCMYes / Yes Stereo File Formats (HEOS network share or USB)WMA: up to and including 192 kbps, AAC & MP3: up to and including 320 kbps, WAV, ALAC, FLAC: up to and including 24-bit/192kHz, DSD: 2.8 MHz, 5.6MHz Streaming Technologies Bluetooth ReceiveBT 5.X Bluetooth TrasmitNo AirPlayAirPlay 2 SpotifySpotify Connect Music Services and Sources Music Services Supported (HEOS®, subject to change and local availability)Pandora, Spotify, TuneIn, SiriusXM, Amazon Music, Tidal, Tidal HiRes, iHeartRadio, Deezer, Deezer HiFi, Mood:Mix, Sony Hi-Res, AWA, QPlay, SoundCloud. Music stored on mobile deviceYes (iOS, Android or Kindle Fire) NAS (Network Attached Storage)Network share USB Storage Device PlaybackYes (FAT32, NTFS formatted drives) Networking & Control Wired ConnectivityEthernet Wireless ConnectivityDual band, 802.11 a/b/g/n/ac IR Input3.5mm IR LearningYes Control System Compatibility via TCP/IPCreston, Control4, AMX HEOS® AppiOS, Android, Kindle Fire General Product ColorBlack User InterfaceVolume up/down, Play / Pause, Multi colored LED status indicator, Connect button (rear), Bluetooth button (rear) Dimensions (W x D x H) Inches9.41 x 3.31 x 8.54 Dimensions (W x D x H) mm239 x 84 x 217 Weight (lbs)4.84 Weight (kg)2.2