Sonos Arc Ultra CN +Sonos Era 300+Sonos SUB G4 (Black)

Sonos Arc Ultra CN Speaker: Tweeter*7, Mid-woofer*6, Sound Motion Bass*1
Amplifier: 15 Class D digital amplifiers
Wireless Connection: WIFI (supports 2.4G and 5G); Bluetooth
Voice Control: Supported
Sound Effects: 9.1.4 channel, Trueplay tuning (supports IOS and Android), EQ adjustment, Dolby Atmos, Apple Music Spatial Audio, Dialogue Enhancement, Night Mode
Audio Source: Airplay2, built-in QQ Music, NetEase Music, and 100+ streaming platforms, eArc
Smart Control: APP, touch control, TV remote synchronization
Height*Width*Depth: 79.5 x 1173 x 110.4 (mm)
Weight: 5.76kg

Sonos Era 300 Color: Black
Speakers: Tweeter*4, Mid-woofer*2
Amplifier: 6 Class D digital amplifiers
Wireless Connection: WIFI, Bluetooth
Voice Control: Supported
Sound Effects: Trueplay tuning (supports IOS and Android), EQ adjustment, Dolby Atmos, Apple Music Spatial Audio, Stereo
Streaming: Airplay2, built-in QQ Music, NetEase Music, and 100+ streaming platforms, USB-C line input
Smart Control: APP, touch control
Height*Width*Depth: 160*260*185 (mm)
Weight: 4.47kg

Sonos SUB G4 (Black) Color: Black
Speakers: Dual 5*8 inch oval woofers
Amplifier: 2 Class D digital amplifiers
Wireless Connection: Supports WIFI6, 2.4G/5G
Frequency: Down to 25hz
Sound Effects: Trueplay tuning, EQ tuning
Streaming: Airplay2, built-in QQ Music, NetEase Music, and 100+ streaming platforms
Smart Control: APP
Height*Width*Depth: 389*402*158 (mm)
Weight: 11.8kg