Samsung HW-B400F vs Samsung HW-B450F

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HW-B400F compared with HW-B450F

	SamsungHW-B400F	SamsungHW-B450F
Overview
Released
Released	2025	2025
Sound
Type
Type	Soundbar	Soundbar
Channels
Channels	2.0	2.1
Dolby Atmos
Dolby Atmos	No	No
Drivers
Drivers	Four built-in speakers in a 2.0-channel system, including bass speakers; no separate subwoofer or dedicated centre channel	Three speakers across the 2.1-channel system including the wireless subwoofer; no dedicated centre speaker. UK feature prose claims a centre speaker, conflicting with its detailed No specification and the manual’s virtual centre control
Amplifiers
Amplifiers	Maximum amplifier output: 20 W × 2; maximum output, not a continuous RMS rating	Maximum output: 40 W × 2 at 6 ohms for the soundbar and 220 W for the PS-WF45T subwoofer; maximum output, not continuous RMS ratings
Audio formats
Audio formats	Dolby Digital, DTS and two-channel LPCM; no Dolby Atmos or DTS Virtual:X decoding	Dolby Digital, DTS and DTS Virtual:X; two-channel LPCM. USB playback of MP3, OGG, AAC, WAV, FLAC and AIFF files; no Dolby Atmos decoding
Room tuning
Room tuning	Standard and Surround Sound modes; Voice Enhance, Night mode, bass level, bass/treble and seven-band EQ in Standard mode. No automatic room calibration	Standard, Surround Sound, Game, Adaptive Sound, DTS Virtual:X and Bass Boost modes; Voice Enhance, Night mode, virtual centre level, subwoofer level, bass/treble and seven-band EQ in Standard mode. No SpaceFit room calibration
Connections
Wi-Fi
Wi-Fi	No	No
Bluetooth
Bluetooth	Yes	Yes
AirPlay
AirPlay	No	No
HDMI eARC
HDMI eARC	No	No
Voice assistants
Voice assistants	None	None
Bluetooth
Bluetooth	Bluetooth 4.2 with SBC codec and A2DP stereo; NFC pairing using the marked area on top. One Bluetooth device connected at a time	Bluetooth 4.2 with SBC codec; only one Bluetooth device connected at a time
Ports
Ports	HDMI ARC connection to the TV, optical input and USB for music playback and firmware updates; no HDMI source input, eARC or video passthrough	HDMI ARC connection to the TV, optical input and USB 5 V/0.5 A for music playback and firmware updates; no HDMI source input, eARC or video passthrough
Streaming
Streaming	Bluetooth stereo streaming; no Wi-Fi, AirPlay or built-in network music services	Bluetooth stereo streaming; no Wi-Fi, AirPlay or built-in network music services
Design
Weight
Weight	2.1 kg	1.8 kg (better)
Controls
Controls	Top-panel power, volume and source buttons; multicolour LED status indicator and spoken feedback rather than a text display. Remote with two AAA batteries, HDMI CEC and compatible IR TV remotes; no built-in voice assistant	Top-panel power, volume and source buttons; front text display, remote with two AAA batteries, HDMI CEC and compatible IR TV remotes. No built-in voice assistant
Mounting
Mounting	Rear wall-mount supports; wall fixings and mounting brackets are not included	Wall-mount brackets included; optional SWA-9250S rear-speaker kit
Size
Size	Soundbar: 641 × 66.5 × 107 mm and 2.1 kg; width × height × depth. Packaged set weight is 2.9 kg	Soundbar: 858.8 × 59 × 75 mm and 1.8 kg. Subwoofer: 184 × 343 × 295 mm and 4.9 kg. Dimensions are width × height × depth; 8.5 kg set weight includes packaging
Colours
Colours	Titan Black	Titan Black
In the box
In the box	Soundbar, power cord and remote with batteries; HDMI and optical cables are not supplied in the UK manual	Soundbar, wireless subwoofer, remote with batteries, two power cords and wall-mount components; HDMI and optical cables are not supplied in the UK manual