Short answer: the JBL Partybox Stage 320 on measured sound quality, the Sharp PS-929 on price. The JBL Partybox Stage 320 ranks #3 of 39 party speakers at $499.95. The Sharp PS-929 ranks #32 at $150, $349.95 cheaper.
What the JBL Partybox Stage 320 offers: Handle and wheels are convenient. Customizable color lighting modes. Keeps more bass than the 310 at high volume. Removable battery. Watch for: Slightly sibilant in the treble at full blast. Very large.
What the Sharp PS-929 offers: 180W power with TWS capability to pair two units. 13-hour battery life. Rich, club-style bass, press Super Bass button for increased low-frequency power. LED flash lighting. Bluetooth wireless, auxiliary input, mic/guitar inputs, two USB ports. Wired microphone included. Vertical or horizontal positioning with built-in transport handle. Watch for: Not very deep bass
Buy the JBL Partybox Stage 320 if sound quality is the priority over the price, or the Sharp PS-929 if the price is the priority over sound quality.
The Sharp PS-929 is not a sound-quality pick. It sits near the bottom of the 39 party speakers; there are better options higher up.
If water resistance matters to you, the JBL Partybox Stage 320 at IPX4 (splashing) holds up far better than the Sharp PS-929 at no water resistance.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| JBL Partybox Stage 320 | Sharp PS-929 | |
|---|---|---|
| Price | $499.95 | $150 |
| Ranked | #3 of 39 in Party Size Portable Bluetooth Speakers | #32 of 39 in Party Size Portable Bluetooth Speakers |
| App | Yes | No |
| Aux Input | Yes | - |
| Battery Life | 18 hours (Manufacturer specified) | 13 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC | SBC |
| Bluetooth Version | 5.4 | 5.0 |
| Drivers | 2x 6.5" woofers, 2x 25mm tweeters | 2x 6.5" woofers, 2x 2" tweeters |
| 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 | AC Power cord |
| Removable Battery | Yes | - |
| Stereo | Partially | Yes |
| Omnidirectional | No | No |
| TWS | Yes | No |
| USB Playback | Yes | No |
| Weight | 36.4 lbs (16.5 kg) | 19 lbs (8.6 kg) |
| Amplifier Power | 240W | 50W RMS |
| Digital Aux Input | No | No |
| Lights | Yes | Yes |
| Wheels | Yes | - |
| Bass Extension (-10dB) | - | ~60Hz |
| Dimensions | - | 10.2" x 11" x 22" (260 x 280 x 560 mm) |
Related Speaker Comparisons
How JBL Partybox Stage 320 compares with other leading options:
- 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 16, 2026 at 12:41 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
- JBL Partybox Stage 320 vs JBL Partybox 330
- JBL Partybox Stage 320 vs JBL Partybox 310
- JBL Partybox Stage 320 vs Sony ULT Tower 5
- JBL Partybox Stage 320 vs Sony ULT Tower 7
- JBL Partybox Stage 320 vs JBL Partybox Club 120
- JBL Partybox Stage 320 vs JBL Partybox 130
- JBL Partybox Stage 320 vs JBL Partybox 100
- JBL Partybox Stage 320 vs JBL Partybox 110
- See all 36 comparisons
Sharp PS-929: $150 Sharp eBay
Pros: 180W power with TWS capability to pair two units. 13-hour battery life. Rich, club-style bass, press Super Bass button for increased low-frequency power. LED flash lighting. Bluetooth wireless, auxiliary input, mic/guitar inputs, two USB ports. Wired microphone included. Vertical or horizontal positioning with built-in transport handle. Measured bass extension of ~60Hz (-10dB).
Cons: Not very deep bass
Full Sharp PS-929 review and specifications →
| Amplifier Power | 50W RMS |
|---|---|
| App | No |
| Bass Extension (-10dB) | ~60Hz |
| Battery Life | 13 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.0 |
| Digital Aux Input | No |
| Dimensions | 10.2" x 11" x 22" (260 x 280 x 560 mm) |
| Drivers | 2x 6.5" woofers, 2x 2" tweeters |
| EQ | No |
| IP Rating | None |
| Lights | Yes |
| Omnidirectional | No |
| Party Mode | No |
| Power Bank | No |
| Power Input | AC Power cord |
| Stereo | Yes |
| TWS | No |
| USB Playback | No |
| Weight | 19 lbs (8.6 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons


