Infitbo D40CS vs Saiyin SBP

Last updated: November 3, 2026

Short answer: the Infitbo D40CS. It ranks #13 of 16 soundbars with a subwoofer by sound quality, rated 3.3/5, at $98.99. The Saiyin SBP ranks #16, rated 3.1/5, at $79.99, $19 cheaper, which does not close the gap in sound quality.

Infitbo D40CS vs Saiyin SBP

What the Infitbo D40CS does well: In The Hook Up’s 2026 budget shootout the D40CS took the top spot ahead of the Ultimea Poseidon M60, sounding the most dynamic of the group with clean vocals. The catch: It does not play as loud as some rivals, so large rooms may need more.

The case for the Saiyin SBP: This compact Saiyin system reaches deep for its size, giving movies real rumble from a small wired sub. The catch: The bass is boomy and gets heavier as volume rises, which can muddy voices and music.

Buy the Infitbo D40CS. It is rated higher for sound quality, and saving $19 with the Saiyin SBP does not make up for the sound-quality gap.

Still deciding? The full TV Soundbars rankings cover every ranked option.

Infitbo D40CS

In The Hook Up’s 2026 budget shootout the D40CS took the top spot ahead of the Ultimea Poseidon M60, sounding the most dynamic of the group with clean vocals.

Channels: 2.1Dolby Atmos: NoSubwoofer: Separate
Amazon $98.99 eBay
$98.99
Saiyin SBP

This compact Saiyin system reaches deep for its size, giving movies real rumble from a small wired sub.

Channels: 2.1Dolby Atmos: NoSubwoofer: Separate
Amazon $79.99 eBay
$79.99

Prices on this page were last checked November 2, 2026 at 11:36 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

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Specifications Side By Side

Infitbo D40CS Saiyin SBP
Price$98.99$79.99
Ranked#13 of 16 in Soundbars With a Subwoofer#16 of 16 in Soundbars With a Subwoofer
Amplifier Power180W peak100W total
AppNoNo
Aux InputYesYes
BluetoothYesYes
Bluetooth Version5.45.3
Channels2.12.1
DTS:XNoNo
Dimensions2.3”H x 31.6”W x 2.4”D (58 x 803 x 61 mm)-
Dolby AtmosNoNo
DriversBar: 2 x 4x2” racetrack drivers; Sub: 5.25” woofer (wired)Bar: 4 drivers (2 silk dome tweeters, 2 53x83 mm woofers); Sub: 5” side-firing woofer (wired)
HDMI InputNoNo
HDMI eARCARC onlyARC only
Included SubwooferWired, 5.25” driverWired, 5” driver
Optical InputYesYes
Rear SpeakersNoNo
Room CorrectionNoNo
Voice AssistantsNoNo
Wi-FiNoNo

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