JBL Partybox 310 vs Sony GTK-XB90

Last updated: August 28, 2026

Short answer: the JBL Partybox 310 if sound quality matters most, the Sony GTK-XB90 if price matters most. The JBL Partybox 310 ranks #3 of 50 party speakers at $579.95. The Sony GTK-XB90 ranks #46 at $429, $150.95 cheaper.

What the JBL Partybox 310 offers: Absolute deepest bass of any battery powered speaker, most balanced sound in the class, handle and wheels are convenient. Increase treble one step in the app EQ to make it more neutral. Customizable color lighting modes. Very close to the 320 in terms of performance. Watch for: Very large.

What the Sony GTK-XB90 offers: Deep punchy EXTRA BASS technology for party use. 3x 2.36” tweeters + 2x 7.09” woofers, built-in LED lights sync with beat. 16 hours battery claimed (9 hours real-world at moderate volume with lights). Built-in handle, portable one-box design. Fiestable plugin controls party settings and DJ effects. Three-device simultaneous Bluetooth pairing. Watch for: Bass is muddy and not deep, weird midrange peak, rolled off treble and overall strange tuning

Buy the JBL Partybox 310 if sound quality is the priority over the price, or the Sony GTK-XB90 if the price is the priority over sound quality.

Skip the Sony GTK-XB90 if sound quality matters to you. It ranks near the bottom of the 50 party speakers.

If water resistance matters to you, the JBL Partybox 310 at IPX4 (splashing) holds up far better than the Sony GTK-XB90 at no water resistance.

JBL Partybox 310 vs Sony GTK-XB90

Specifications Side By Side

JBL Partybox 310 Sony GTK-XB90
Price$579.95 Discontinued$429 Discontinued
Ranked#3 of 50 in Party Size Portable Bluetooth Speakers#46 of 50 in Party Size Portable Bluetooth Speakers
AppYesNo
Aux InputYesYes
Bass Extension (-10dB)32Hz~50Hz
Battery Life18 hours (Manufacturer specified)16 hours (Manufacturer specified)
Bluetooth CodecsSBCSBC, AAC, LDAC
Charging Time3.5 hours-
EQYes (3 band)No
Guitar InputYes-
IP RatingIPX4None
Microphone InputYes (Karaoke mode with echo effect)-
Party ModeNoYes (Partychain up to 100 speakers)
Power BankYes (USB-A, 5V/2.1A)Yes (USB-A, 2.1A)
Power InputAC Power cordAC Power cord
StereoPartiallyYes
OmnidirectionalNoNo
TWSYesNo
USB PlaybackYesNo
Weight37.5 lbs / 17 kg30.9 lbs / 14 kg
Output Power240W-
Drivers2x 6.5" (165mm) woofers + 2x 2.5" (65mm) tweeters12cm drivers + passive radiators
DiscontinuedYesYes
Digital Aux InputNoNo

A few more comparisons worth a look in the same class:

Prices on this page were last checked August 27, 2026 at 10:09 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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The Two Speakers In Full

JBL Partybox 310: $579.95 Discontinued Amazon eBay

JBL Partybox 310 ranking card

Pros: Absolute deepest bass of any battery powered speaker, most balanced sound in the class, handle and wheels are convenient. Increase treble one step in the app EQ to make it more neutral. Customizable color lighting modes. Very close to the 320 in terms of performance.

Cons: Very large. Discontinued.

AppYes
Aux InputYes
Bass Extension (-10dB)32Hz
Battery Life18 hours (Manufacturer specified)
Bluetooth CodecsSBC
Charging Time3.5 hours
Digital Aux InputNo
DiscontinuedYes
Drivers2x 6.5" (165mm) woofers + 2x 2.5" (65mm) tweeters
EQYes (3 band)
Guitar InputYes
IP RatingIPX4
Microphone InputYes (Karaoke mode with echo effect)
OmnidirectionalNo
Output Power240W
Party ModeNo
Power BankYes (USB-A, 5V/2.1A)
Power InputAC Power cord
StereoPartially
TWSYes
USB PlaybackYes
Weight37.5 lbs / 17 kg

Sony GTK-XB90: $429 Discontinued eBay

Sony GTK-XB90 ranking card

Pros: Deep punchy EXTRA BASS technology for party use. 3x 2.36” tweeters + 2x 7.09” woofers, built-in LED lights sync with beat. 16 hours battery claimed (9 hours real-world at moderate volume with lights). Built-in handle, portable one-box design. Fiestable plugin controls party settings and DJ effects. Three-device simultaneous Bluetooth pairing.

Cons: Bass is muddy and not deep, weird midrange peak, rolled off treble and overall strange tuning. Discontinued.

AppNo
Aux InputYes
Bass Extension (-10dB)~50Hz
Battery Life16 hours (Manufacturer specified)
Bluetooth CodecsSBC, AAC, LDAC
Digital Aux InputNo
DiscontinuedYes
Drivers12cm drivers + passive radiators
EQNo
IP RatingNone
OmnidirectionalNo
Party ModeYes (Partychain up to 100 speakers)
Power BankYes (USB-A, 2.1A)
Power InputAC Power cord
StereoYes
TWSNo
USB PlaybackNo
Weight30.9 lbs / 14 kg