Different classes, so treat this as a step-up-or-not question rather than a head-to-head. The JBL Partybox Stage 320 ranks #3 of 39 party speakers by sound quality at $499.95; the Audiocase S10 ranks #12 of 14 battery-powered PA speakers by sound quality at $892.
Short answer: go with the JBL Partybox Stage 320, rated 4.6 against 3.1 for the Audiocase S10. The JBL Partybox Stage 320’s case: Handle and wheels are convenient. The Audiocase S10’s case starts with one of the loudest in category.
Where they differ on paper:
- Battery Life: 18 hours (Manufacturer specified) vs 30 hours (Manufacturer specified)
- IP Rating: IPX4 vs None
- Drivers: 2x 6.5” woofers, 2x 25mm tweeters vs 2x 10” woofers, 1” compression tweeter
- Amplifier Power: 240W vs 219W (3x 73W)
Consider the JBL Partybox Stage 320: Handle and wheels are convenient. Watch for: slightly sibilant in the treble at full blast. It’s the lower-priced option too, $499.95 against $892.
Go with the Audiocase S10 for one of the loudest in category: Watch for: not great sounding at low volumes. Price runs higher too, $892 versus $499.95.
Buy the JBL Partybox Stage 320 at $499.95 if you want a party speaker. Buy the Audiocase S10 at $892 if you want a battery-powered PA speaker instead.
Skip the Audiocase S10 if sound quality matters to you. It ranks near the bottom of the 14 battery-powered PA speakers.
There is a real gap in water resistance: the JBL Partybox Stage 320 at IPX4 (splashing) against the Audiocase S10, which has no water resistance.
Looking for alternatives? See the complete Portable Bluetooth rankings and PA & Live Sound rankings.
Specifications Side By Side
| JBL Partybox Stage 320 | Audiocase S10 | |
|---|---|---|
| Price | $499.95 | $892 Discontinued |
| Ranked | #3 of 39 in Party Size Portable Bluetooth Speakers | #12 of 14 in Battery-Powered PA Speakers |
| App | Yes | No |
| Aux Input | Yes | Yes |
| Battery Life | 18 hours (Manufacturer specified) | 30 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC | aptX, SBC |
| Bluetooth Version | 5.4 | 5.0 |
| Drivers | 2x 6.5" woofers, 2x 25mm tweeters | 2x 10" woofers, 1" compression tweeter |
| EQ | Yes (5 band) | No |
| Guitar Input | Yes | - |
| IP Rating | IPX4 | None |
| Microphone Input | Yes (Karaoke mode with echo effect) | - |
| Party Mode | Yes (Auracast) | No |
| Power Bank | Yes (USB-A, 5V/2.1A) | No |
| Power Input | AC Power cord | - |
| Removable Battery | Yes | Yes |
| Stereo | Partially | Yes |
| Omnidirectional | No | No |
| TWS | Yes | No |
| USB Playback | Yes | No |
| Weight | 36.4 lbs (16.5 kg) | 43.7 lbs (19.8 kg) |
| Amplifier Power | 240W | 219W (3x 73W) |
| Digital Aux Input | No | No |
| Lights | Yes | - |
| Wheels | Yes | - |
| Dimensions | - | 25.6" x 15.7" x 11.8" (650 x 400 x 300 mm) |
| Inputs | - | 2x XLR/6.3mm combo (mic/instrument), 3.5mm stereo, Bluetooth |
| XLR Input | - | Yes |
| Discontinued | - | Yes |
| Maximum SPL | - | 125dB |
| Configuration | - | Battery-powered 3-way active PA |
| Cabinet Material | - | Not specified |
| Rigging | - | Not specified |
| Coverage | - | Not specified |
| Bass Extension (-3dB) | - | Not specified |
| DSP | - | No |
| Bluetooth | - | Yes |
| Frequency Response | - | Not specified |
Related Speaker Comparisons
More top alternatives to JBL Partybox Stage 320:
- Sony ULT Tower 7 vs JBL Partybox Stage 320
- JBL Partybox 330 vs JBL Partybox Stage 320
- JBL Partybox 310 vs JBL Partybox Stage 320
- Sony ULT Tower 5 vs JBL Partybox Stage 320
- JBL Partybox Club 120 vs JBL Partybox Stage 320
Prices on this page were last checked September 17, 2026 at 12:43 AM 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 Stage 320: $499.95 Amazon B&H Photo Video eBay
Pros: Handle and wheels are convenient. Customizable color lighting modes. Keeps more bass than the 310 at high volume. Removable battery.
Cons: Slightly sibilant in the treble at full blast. Very large.
Full JBL Partybox Stage 320 review and specifications →
| Amplifier Power | 240W |
|---|---|
| App | Yes |
| Aux Input | Yes |
| Battery Life | 18 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.4 |
| Digital Aux Input | No |
| Drivers | 2x 6.5" woofers, 2x 25mm tweeters |
| EQ | Yes (5 band) |
| Guitar Input | Yes |
| IP Rating | IPX4 |
| Lights | Yes |
| Microphone Input | Yes (Karaoke mode with echo effect) |
| Omnidirectional | No |
| Party Mode | Yes (Auracast) |
| Power Bank | Yes (USB-A, 5V/2.1A) |
| Power Input | AC Power cord |
| Removable Battery | Yes |
| Stereo | Partially |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 36.4 lbs (16.5 kg) |
| Wheels | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- Oluv Patreon: JBL Partybox 320 vs 520 - indoor listening session More from Oluv’Sone →
- Oluv Patreon: JBL Partybox 320 vs 520 - outdoor test
- Jay’s Straight Up Reviews & More: JBL Partybox Stage 320 vs 310 🛜 Defcon 5🚨 Bass Alert! Take Shelter Immediately! 😲 Best Bass Goes To? More from JaysStraightUpReviews →
- Jay’s Straight Up Reviews & More: JBL Partybox Stage 320 vs 310 🥳 A Family Feud! Battery Powered🔋Bluetooth Party Speakers Face-Off🤬
- GYMCADDY: JBL PartyBox Stage 320 Review - Big Upgrades Everywhere, Worth The Upgrade More from GYMCADDY →
- M1MTechChannel: Welche JBL Partybox ist die BESTE ? Alle Partyboxen im Vergleich | 2026 More from M1MTechChannel →
- M1MTechChannel: soundcore Rave 3S mit 200W | LAUTER als die JBL Partybox 320 ?
- Head-to-Head Comparisons
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Audiocase S10: $892 Discontinued eBay
Pros: One of the loudest in category.
Cons: Not great sounding at low volumes. Better sounding at louder volumes. Weird peaks in the midrange. Competes against the Soundboks but doesn’t sound as good. Discontinued.
Full Audiocase S10 review and specifications →
| Amplifier Power | 219W (3x 73W) |
|---|---|
| App | No |
| Aux Input | Yes |
| Bass Extension (-3dB) | Not specified |
| Battery Life | 30 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | aptX, SBC |
| Bluetooth Version | 5.0 |
| Cabinet Material | Not specified |
| Configuration | Battery-powered 3-way active PA |
| Coverage | Not specified |
| DSP | No |
| Digital Aux Input | No |
| Dimensions | 25.6" x 15.7" x 11.8" (650 x 400 x 300 mm) |
| Discontinued | Yes |
| Drivers | 2x 10" woofers, 1" compression tweeter |
| EQ | No |
| Frequency Response | Not specified |
| IP Rating | None |
| Inputs | 2x XLR/6.3mm combo (mic/instrument), 3.5mm stereo, Bluetooth |
| Maximum SPL | 125dB |
| Omnidirectional | No |
| Party Mode | No |
| Power Bank | No |
| Removable Battery | Yes |
| Rigging | Not specified |
| Stereo | Yes |
| TWS | No |
| USB Playback | No |
| Weight | 43.7 lbs (19.8 kg) |
| XLR Input | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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