Short answer: the Audiocase S5 for better sound quality, the Sony GTK-XB90 for the lower price. The Audiocase S5 ranks #26 of 50 party speakers at $645. The Sony GTK-XB90 ranks #46 at $429, $216 cheaper.
What the Audiocase S5 offers: Removable battery Watch for: Not stereo.
What the Sony GTK-XB90 offers: Deep punchy EXTRA BASS technology for party use. Watch for: Bass is muddy and not deep, weird midrange peak, rolled off treble and overall strange tuning
Buy the Audiocase S5 if sound quality matters more than the price. Buy the Sony GTK-XB90 if the price matters more than sound quality.
If sound quality matters at all to you, skip the Sony GTK-XB90. It ranks near the bottom of the 50 party speakers, so look higher up the list instead.
If battery life is a priority, the Audiocase S5 is rated for 30 hours versus 16 hours for the Sony GTK-XB90.
Specifications Side By Side
| Audiocase S5 | Sony GTK-XB90 | |
|---|---|---|
| Price | $645 Discontinued | $429 Discontinued |
| Ranked | #26 of 50 in Party Size Portable Bluetooth Speakers | #46 of 50 in Party Size Portable Bluetooth Speakers |
| App | No | No |
| Aux Input | Yes | Yes |
| Battery Life | 30 hours (Manufacturer specified) | 16 hours (Manufacturer specified) |
| Bluetooth Codecs | aptX, SBC | SBC, AAC, LDAC |
| Bluetooth Version | 5.0 | - |
| Dimensions | 16.1" x 9.8" x 7.5" (410 x 250 x 190 mm) | - |
| Drivers | 2x 5" woofers, 1" tweeter | 12cm drivers + passive radiators |
| EQ | No | No |
| Guitar Input | Yes | - |
| IP Rating | None | None |
| Microphone Input | Yes (Karaoke mode with reverb effect) | - |
| Party Mode | Yes (wired link) | Yes (Partychain up to 100 speakers) |
| Power Bank | No | Yes (USB-A, 2.1A) |
| Power Input | AC Power brick | AC Power cord |
| Removable Battery | Yes | - |
| Stereo | Yes | Yes |
| TWS | No | No |
| USB Playback | No | No |
| Weight | 17.4 lbs / 7.9 kg | 30.9 lbs / 14 kg |
| Output Power | 2 x 73W | - |
| Discontinued | Yes | Yes |
| Max Volume | 108dB | - |
| Digital Aux Input | No | No |
| Bass Extension (-10dB) | - | ~50Hz |
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The Two Speakers In Full
Audiocase S5: $645 Discontinued
Pros: Removable battery
Cons: Not stereo. Boosted upper bass, not as much clarity as higher ranked speakers. Generally worse overall than the much cheaper Stormbox Blast. Discontinued.
Full Audiocase S5 review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Battery Life | 30 hours (Manufacturer specified) |
| Bluetooth Codecs | aptX, SBC |
| Bluetooth Version | 5.0 |
| Digital Aux Input | No |
| Dimensions | 16.1" x 9.8" x 7.5" (410 x 250 x 190 mm) |
| Discontinued | Yes |
| Drivers | 2x 5" woofers, 1" tweeter |
| EQ | No |
| Guitar Input | Yes |
| IP Rating | None |
| Max Volume | 108dB |
| Microphone Input | Yes (Karaoke mode with reverb effect) |
| Output Power | 2 x 73W |
| Party Mode | Yes (wired link) |
| Power Bank | No |
| Power Input | AC Power brick |
| Removable Battery | Yes |
| Stereo | Yes |
| TWS | No |
| USB Playback | No |
| Weight | 17.4 lbs / 7.9 kg |
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Sony GTK-XB90: $429 Discontinued
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.
Full Sony GTK-XB90 review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | ~50Hz |
| Battery Life | 16 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, LDAC |
| Digital Aux Input | No |
| Discontinued | Yes |
| Drivers | 12cm drivers + passive radiators |
| EQ | No |
| IP Rating | None |
| Party Mode | Yes (Partychain up to 100 speakers) |
| Power Bank | Yes (USB-A, 2.1A) |
| Power Input | AC Power cord |
| Stereo | Yes |
| TWS | No |
| USB Playback | No |
| Weight | 30.9 lbs / 14 kg |
As an eBay Partner, we may be compensated if you make a purchase.
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons