Sony® XB90 EXTRA BASS™ Black High Power Home Audio System-GTKXB90

Model #: GTKXB90
At a Glance

Relive those incredible club or festival moments. Built for bass-heavy music and EDM fanatics, the GTK-XB90 packs EXTRA BASS™ technology into a portable speaker you can take with you anywhere. Infinity Mirror lighting pulses to the music to get people dancing, and you can synchronize sound in different rooms by connecting up to 10 additional speakers with Wireless Party Chain.

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Get to know this product.

Bring the Energy, Bring the Party

Bring true energy to your party with EXTRA BASS™ beats and party lights from the GTK-XB90. Incredible Infinity Mirror lighting takes visual effects to the next level, and a rechargeable battery lets you hold parties anywhere.

Rechargeable Battery

Whenever you’re away from mains power, the rechargeable battery gives you 16 hours.

Wireless Connectivity

Create a quick BLUETOOTH® connection with One-touch NFC, or stream from over Wi-Fi.

Infinity Mirror Lighting

Infinity mirrors around the speaker bounce light back and forth endlessly, creating an energizing party atmosphere.

Feel the beat of EXTRA BASS™

Bring the dancefloor to life by activating EXTRA BASS™. It enhances the low frequencies of the track, for beats that get everyone moving.

The Power to Party Anywhere, with a Rechargeable Battery

Got no mains electricity? The built-in rechargeable battery powers your party for 16 hours with the speaker lights off, and the volume turned to level 16. Even at full volume with EXTRA BASS™ sound and lighting on, you can party for 3 hours. If you're running low, just activate stamina mode to make your battery last longer (up to 4.5 hrs).

Grab and Go

Convenient carrying handles make it easy to transport your GTK-XB90 from party to party.

More light, more excitement, more energy

Create an instant club experience, with pulsing strobe lights and colored speaker lights that change with the music. Infinity mirrors are positioned around the speaker edges, bouncing light back and forth continuously to create an energizing party atmosphere.

Line Light

A multicolored lighting strip goes around the edge of the speaker

Speaker Light

White LEDs move with the music.

Strobe Flash

A bright strobe lights up the dance floor.

Add extra speakers, without extra wires

Want to boost your volume? Connect up to 10 compatible speakers with Wireless Party Chain for even more audio power and an exciting party atmosphere with synchronized lights. It's all done with Bluetooth® technology, so you don't need to use any connecting cables.

Connect with NFC & Bluetooth technology

Create a one-touch wireless connection with your NFC-enabled device, or use your Bluetooth settings to connect.

Plug in with USB

Access your MP3, WMA and WAV digital music files by connecting your USB device.

Add your own vocals

Be the party MC any time you want—just plug in a microphone and you'll hear your voice in the mix.

Control the party with Sony | Music Center app and Fiestable

Run the party from the dance floor using the Sony | Music Center app. It lets you choose tracks, change sound settings and create playlists, all from your phone. The Fiestable plug-in puts you in charge of the light colors and lets you adjust EQ or activate DJ control. Make changes with a flick of your wrist, thanks to the intuitive motion control.

Hold an EDM party anywhere with EXTRA BASS™ beats from the GTK-XB90. Infinity Mirror lighting complete the festival atmosphere, and the rechargeable battery lets you play music even without mains power.

  • EXTRA BASS™ for deep, punchy sound
  • Built-in battery lets you take the party anywhere
  • Infinity mirror lighting creates a party atmosphere
  • Control sound and light effects with the Sony | Music Center app and Fiestable
  • Connect more speakers with Wireless Party Chain
Useful Documents


USB1Yes (Play)
Audio In1Yes (RCA)
Audio In2No
Bluetooth®Yes (iAP over BT)

Inputs and Outputs

Analog Audio InputYes (RCA)
Analog Audio OutputYes (RCA)
Composite Video OutputNo
USB Port1
Microphone Input1

Sound Features

Latin EqualizerNo
African EqualizerNo
Sports ModeNo
Video EQNo
Fiesta ModeNo
Bass Boost FunctionEXTRA BASS
DSEE Sound EnhancementDSEE (AUTO)
Party Chain (Wired)Yes
Speaker Add Function (Bluetooth)Yes

Sound Entertainment


Lighting Effect

Speaker LightYes
Line LightYes
Strobe FlashYes
Infinity MirrorYes


Vocal FaderNo
Key ControlNo
Song ReservationNo
Mic VolumeYes

Convenience Features

Gesture ControlNo
Sleep TimerNo
Touch KeysNo

Power Consumption

Power Consumption (In Standby)0.5 W (in ECO Standby mode)

Wireless Connection

One-Touch NFC PairingYes


A2DP (Sink)Yes (Ver1.2)
AVRCPYes (Ver1.3)
SPPYes (Ver1.2)


Compatible Smartphone AppsYes (Music Center/Fiestable)


Carrying HandleYes
Vertical and Horizontal LayourYes (Stereo sound for both layouts)

Front Speaker Specifications

Tweeter2.36" x3 (cone type)
Woofer7.09" x2

Main Unit

Main Unit Dimensions (W x H x D) (Approx.)13.23 x 26.38 x 13.19"
Weight (LB.) (Approx.)30.86 lb

Misc. Specs

Product Weight30.86
Depth (in.)13.19
Width (in.)13.23
Height (in.)26.38
Analog Audio(RCA) Input1
Bluetooth CapableYes
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