SR-C20A SR-B20A SR-C30A
General Driver Front L/R: 4.6 cm (1.8") cone × 2, Built-in subwoofer: 7.5 cm (3") cone × 1 Front L/R: 5.5 cm (2-1/8") cone × 2, Tweeter: 2.5 cm (1") dome × 2, Built-in subwoofer: 7.5 cm (3") cone × 2 Center unit: Front L/R: 4.6 cm (1.8“) cone × 2, Subwoofer: 13 cm (5-1/8”) 
Potenza d'uscita 100 W (Front L/R: 20 W × 2-ch, Built-in subwoofer: 60 W) 120 W (Front L/R: 30 W × 2-ch, Built-in subwoofer: 60 W) 90 W (Front L/R: 20 W × 2-ch, Subwoofer: 50 W)
Consumo 13 W (Rated) 25 W (Rated) Center unit: 20 V/2.1 A (Rated), Subwoofer: 20 W
Assorbimento energetico in stand-by 0.2 W (HDMI control off, Bluetooth standby off), 0.4 W (HDMI control on, Bluetooth standby on) 0.2 W (HDMI control off, Bluetooth standby off), 0.5 W (HDMI control on, Bluetooth standby on) 0.3 W (HDMI control off, Bluetooth standby off), 0.5 W (HDMI control on, Bluetooth standby on)
Dimensioni (L x A x P mm) Installing the unit in front of a TV: 600 × 64 × 94 mm (23-5/8" × 2-1/2" × 3-3/4"), Mounting the unit on a wall with spacers: 600 × 64 × 102 mm (23-5/8" × 2-1/2" × 4") Installing the unit in front of a TV: 910 × 53 × 131 mm (35-7/8" × 2-1/8" × 5-1/8"), Mounting the unit on a wall with spacers: 910 × 131 × 62 mm (35-7/8" × 5-1/8" × 2-1/2") Center unit: 600 x 64 x 94 mm (23-5/8” x 2-1/2” x 3-3/4”), Subwoofer: 335 x 160 x 364 mm (13-1/4” x 6-1/4” x 14-3/8”)
Peso 1.8 kg (3.9 lbs) 3.2 kg (7.1 lbs) Center unit: 1.3 kg (2.9 lbs), Subwoofer: 5.7 kg (12.6 lbs)
Input / Output HDMI 1 out (TV ARC) 1 out (TV ARC) 1 out (TV ARC)
Digital Optical 2 in 2 in 2 in
Subwoofer output No Yes No
Analog Audio 1 in No 1 in
HDMI 4K Pass-through No No No
3D Pass-through No No -
ARC Yes Yes -
CEC Yes Yes Yes
Auto Lip-Sync No No No
Sound Technology Surround Technology Dolby Audio DTS® Virtual:X™ Dolby Audio
Modalità DSP Stereo, Standard, Movie, Game Stereo, Standard, Movie, Game Stereo, Standard, 3D Movie, Game
Compressed Music Enhancer Yes (for Bluetooth) Yes (for Bluetooth) Yes
Bass Extended Yes Yes Yes
Audio Formats Dolby Digital Yes Yes Yes
Dolby Pro Logic II Yes Yes Yes
DTS Digital Surround No Yes No
Connectivity Wireless Music Streaming No No No
Wi-Fi No No No
AirPlay No No No
Bluetooth Version/Profile Version: Ver 5.0 / Profiles: A2DP / Codecs: SBC, AAC Version: Ver 5.0 / Profiles: A2DP / Codecs: SBC, AAC Version: Ver 5.0 / Profiles: A2DP / Codecs: SBC, AAC
Bluetooth Maximum Communication Range Approx. 10 m ; 33ft (without obstructions) Approx. 10 m ; 33ft (without obstructions) Approx. 10 m; 33 ft (without obstructions)
Wireless Subwoofer No No Yes
Other Features App Control Yes (Sound Bar Remote) Yes (Sound Bar Remote) Yes (Sound Bar Remote)
Learnig Function No No No
Audio Formats File Format No No -
Connectivity MusicCast Surround No No No
HDMI eARC/ARC - - ARC