Short answer: the JBL Partybox 300 ranks #8 of 51 party speakers by sound quality at $300; the Soundcore Rave 3S ranks #21 at $299.99. With prices this close, go by the sound-quality ranking rather than the cost.
What the JBL Partybox 300 gets right: Exceptional sound quality with crisp, crystal clear highs and midranges, hard punchy bass without muddiness. The catch: Hard to carry, too tall, drags on the ground.
On the Soundcore Rave 3/3s side: 2 AA battery Wireless Microphones and remote control included. Set against that: Some upper bass and upper mids boost.
Buy the JBL Partybox 300 if sound quality is the priority over the price, or the Soundcore Rave 3S if the price is the priority over sound quality.
There is a real battery-life gap here: the JBL Partybox 300 is rated for 18 hours, the Soundcore Rave 3S only 12 hours.
There is a real gap in water resistance: the Soundcore Rave 3S at IPX4 (splashing) against the JBL Partybox 300, which has no water resistance.
Specifications Side By Side
| JBL Partybox 300 | Soundcore Rave 3S | |
|---|---|---|
| Price | $300 Discontinued | $299.99 |
| Ranked | #8 of 51 in Party Size Portable Bluetooth Speakers | #21 of 51 in Party Size Portable Bluetooth Speakers |
| App | No | Yes |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 40Hz | - |
| Battery Life | 18 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC | SBC |
| Bluetooth Version | 4.2 | - |
| Dimensions | 27" x 13" x 12.7" (685.8 x 330.2 x 322.6 mm) | - |
| EQ | No | Yes |
| Frequency Response | 45Hz - 20kHz (Manufacturer specified) | - |
| Guitar Input | Yes | Yes |
| IP Rating | None | IPX4 |
| Microphone Input | Yes (Karaoke mode with echo effect) | Yes (Karaoke mode with reverb effect) |
| Party Mode | No | Yes (Auracast) |
| Power Bank | Yes (USB-A) | No |
| Power Input | AC Power cord | USB-C |
| Stereo | Yes (lying down) | No |
| Omnidirectional | No | No |
| TWS | Yes | No |
| USB Playback | Yes | No |
| Weight | 35.3 lbs / 16 kg | 21.6 lbs / 9.8 kg |
| Output Power | 120W | 200W |
| Drivers | 2x 6.5" (165mm) woofers + 3x 2.25" (57mm) tweeters | 1x 6.5" (165mm) woofer + 3x 2.5" (63mm) full-range drivers |
| Discontinued | Yes | - |
| Digital Aux Input | No | No |
| Wireless Microphones | - | Yes 2 Included |
Related Speaker Comparisons
A few more comparisons worth a look in the same class:
- W-King T12 vs Soundcore Rave
- Zealot PT21 vs W-King T12
- JBL Partybox 110 vs Sony GTK-XB72
- JBL Partybox 300 vs Tribit Stormbox Blast 2
- Soundcore Rave 3S vs Samsung MX-ST50B
Prices on this page were last checked September 1, 2026 at 2:15 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 300: $300 Discontinued eBay
Pros: Exceptional sound quality with crisp, crystal clear highs and midranges, hard punchy bass without muddiness. 2x 6.5” woofers + 3x 2.25” tweeters, bass boost function, 45Hz-20kHz frequency range. 18-hour battery with 10400mAh capacity. Multiple inputs (RCA, USB, 3.5mm aux, mic, guitar). LED light modes (meter/pulse/party). True Wireless Stereo pairing up to 2 units.
Cons: Hard to carry, too tall, drags on the ground. Max spl and bass extension are only as good as the Partybox 100. No real reason to ever get one, get a Partybox 100 instead. Discontinued.
Full JBL Partybox 300 review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 40Hz |
| Battery Life | 18 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 4.2 |
| Digital Aux Input | No |
| Dimensions | 27" x 13" x 12.7" (685.8 x 330.2 x 322.6 mm) |
| Discontinued | Yes |
| Drivers | 2x 6.5" (165mm) woofers + 3x 2.25" (57mm) tweeters |
| EQ | No |
| Frequency Response | 45Hz - 20kHz (Manufacturer specified) |
| Guitar Input | Yes |
| IP Rating | None |
| Microphone Input | Yes (Karaoke mode with echo effect) |
| Omnidirectional | No |
| Output Power | 120W |
| Party Mode | No |
| Power Bank | Yes (USB-A) |
| Power Input | AC Power cord |
| Stereo | Yes (lying down) |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 35.3 lbs / 16 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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- JBL Partybox 300 vs JBL Partybox 100
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- JBL Partybox 300 vs Electro-Voice Everse 8
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- See all 32 comparisons
Soundcore Rave 3S: $299.99 Amazon B&H Photo Video eBay
Pros: 2 AA battery Wireless Microphones and remote control included. AI voice removal feature for Karaoke
Cons: Some upper bass and upper mids boost. Not as deep of bass as a Partybox 110/120
Full Soundcore Rave 3S review and specifications →
| App | Yes |
|---|---|
| Aux Input | Yes |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Digital Aux Input | No |
| Drivers | 1x 6.5" (165mm) woofer + 3x 2.5" (63mm) full-range drivers |
| EQ | Yes |
| Guitar Input | Yes |
| IP Rating | IPX4 |
| Microphone Input | Yes (Karaoke mode with reverb effect) |
| Omnidirectional | No |
| Output Power | 200W |
| Party Mode | Yes (Auracast) |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | No |
| TWS | No |
| USB Playback | No |
| Weight | 21.6 lbs / 9.8 kg |
| Wireless Microphones | Yes 2 Included |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons