Samsung HW-B400F vs Samsung HW-B750F

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

HW-B400F compared with HW-B750F
SamsungHW-B400FSamsungHW-B750F
Overview
Released20252025
Sound
TypeSoundbarSoundbar
Channels2.05.1
Dolby AtmosNoNo
DriversFour built-in speakers in a 2.0-channel system, including bass speakers; no separate subwoofer or dedicated centre channelSix speakers with a dedicated centre channel and side-firing speakers; wireless subwoofer included, rear speakers optional
AmplifiersMaximum amplifier output: 20 W × 2; maximum output, not a continuous RMS ratingMaximum amplifier output: 150 W soundbar and 250 W subwoofer, according to the exact UK manual; these are maximum output figures, not continuous RMS ratings
Audio formatsDolby Digital, DTS and two-channel LPCM; no Dolby Atmos or DTS Virtual:X decodingDolby Digital 5.1, DTS and DTS Virtual:X; two-channel LPCM. USB playback of MP3, OGG, AAC, WAV, FLAC and AIFF files; no Dolby Atmos decoding
Room tuningStandard and Surround Sound modes; Voice Enhance, Night mode, bass level, bass/treble and seven-band EQ in Standard mode. No automatic room calibrationStandard, Surround Sound, Bass Boost, Game, Adaptive Sound and DTS Virtual:X modes; Voice Enhance, Night mode, centre/side channel levels, bass and treble adjustment, and seven-band EQ in Standard mode. No SpaceFit room calibration. Q-Symphony with compatible Samsung TVs
Connections
Wi-FiNoNo
BluetoothYesYes
AirPlayNoNo
HDMI eARCNoNo
Voice assistantsNoneNone
BluetoothBluetooth 4.2 with SBC codec and A2DP stereo; NFC pairing using the marked area on top. One Bluetooth device connected at a timeBluetooth 4.2 with SBC codec; one TV or two mobile devices connected at a time
PortsHDMI ARC connection to the TV, optical input and USB for music playback and firmware updates; no HDMI source input, eARC or video passthroughOne HDMI source input, one HDMI ARC connection to the TV, optical input and USB 5 V/0.5 A for music playback and firmware updates; no eARC, 4K passthrough or HDR passthrough
StreamingBluetooth stereo streaming; no Wi-Fi, AirPlay or built-in network music servicesBluetooth stereo streaming; no Wi-Fi, AirPlay or built-in network music services
Design
Weight2.1 kg (better)3.2 kg
ControlsTop-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 assistantTop-panel power, volume and source buttons; front text display, included remote with two AAA batteries, HDMI CEC and compatible IR TV remotes. No built-in voice assistant
MountingRear wall-mount supports; wall fixings and mounting brackets are not includedIncluded wall-mount brackets; optional SWA-9250S rear-speaker kit sold separately
SizeSoundbar: 641 × 66.5 × 107 mm and 2.1 kg; width × height × depth. Packaged set weight is 2.9 kgSoundbar: 1030 × 59.4 × 105 mm and 3.2 kg. Subwoofer: 184 × 343 × 295 mm and 5 kg. Dimensions are width × height × depth; 10.3 kg set weight includes packaging
ColoursTitan BlackBlack
In the boxSoundbar, power cord and remote with batteries; HDMI and optical cables are not supplied in the UK manualSoundbar, wireless subwoofer, remote with batteries, two power cords and wall-mount components; HDMI and optical cables are not supplied

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