Short answer: the JBL Partybox Encore Essential 2. It ranks #6 of 76 boombox speakers by sound quality, rated 4.3/5, at $259. The Gemini GRV-650L ranks #39, rated 3.3/5, at $149.95, $109.05 cheaper, which does not close the gap in sound quality.
What the JBL Partybox Encore Essential 2 does well: A compact 6.2kg party speaker with 100W output, 110dB maximum level, a 15-hour claimed battery, app-based 7-band EQ, dynamic lighting, USB playback, guitar and mic inputs, and Auracast linking. The tradeoff: It is front-facing, so the sound changes noticeably to the sides and behind it, and bass compression reduces kick-drum impact at maximum volume.
Why pick the Gemini GRV-650L: Pretty amazing value for the money. Watch for: Not quite as deep bass as the top ranked speakers.
Buy the JBL Partybox Encore Essential 2. It is rated higher for sound quality, and saving $109.05 with the Gemini GRV-650L does not make up for the sound-quality gap.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| JBL Partybox Encore Essential 2 | Gemini GRV-650L | |
|---|---|---|
| Price | $259.00 | $149.95 |
| Ranked | #6 of 76 in Boombox Size Portable Bluetooth Speakers | #39 of 76 in Boombox Size Portable Bluetooth Speakers |
| App | Yes (JBL PartyBox app) | No |
| Aux Input | Yes | Yes |
| Battery Life | 15 hours (Manufacturer specified) | 9 hours (Manufacturer specified) |
| Built-in Microphone | No | No |
| EQ | Yes (7 band App EQ) | No |
| Guitar Input | Yes | - |
| IP Rating | IPX4 | IPX5 |
| Microphone Input | Yes (Karaoke mode with echo effect) | - |
| Party Mode | Yes (Auracast) | No |
| Power Bank | Yes (USB-C) | Yes |
| Power Input | AC Power cord | USB-C |
| Stereo | Yes | Partially (1 woofer) |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| USB Playback | Yes | Yes |
| Weight | 13.7 lbs (6.2 kg) | 15.7 lbs (7.1 kg) |
| Wireless Microphones | No | - |
| Bluetooth Codecs | SBC | SBC |
| Bluetooth Version | 5.4 | 5.3 |
| Amplifier Power | 100W RMS | 320W |
| Dimensions | 12.6” x 13.5” x 10.3” (319.5 x 342 x 260.4 mm) | 10.9” x 10.2” x 14.4” (277 x 260 x 366 mm) |
| Drivers | 1x 135mm (5.25”) woofer + 2x 20mm (0.75”) dome tweeters | 6.5” woofer + tweeter |
| Maximum SPL | 110dB (measured by Alan Ross Reviews) | 104dB (Manufacturer specified) |
| Digital Aux Input | No | No |
| Lights | Yes | - |
| Strap | No | - |
| Bass Extension (-10dB) | - | ~47Hz |
| MicroSD Playback | - | Yes |
| FM Tuner | - | Yes |
Related Speaker Comparisons
How JBL Partybox Encore Essential 2 compares with other leading options:
- Earfun Uboom X vs JBL Partybox Encore Essential 2
- JBL Partybox Encore Essential 2 vs Tribit Stormbox Blast
- Harman Kardon Go + Play 3 vs JBL Partybox Encore Essential 2
- JBL Partybox Encore 2 vs JBL Partybox Encore Essential 2
- JBL PartyBox On-The-Go 2 Plus vs JBL Partybox Encore Essential 2
Prices on this page were last checked September 26, 2026 at 11:14 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 Encore Essential 2: $259.00 Amazon B&H Photo Video eBay
Older model: the JBL Partybox Encore Essential (rated 4.2/5).
Pros: A compact 6.2kg party speaker with 100W output, 110dB maximum level, a 15-hour claimed battery, app-based 7-band EQ, dynamic lighting, USB playback, guitar and mic inputs, and Auracast linking. Independent testing finds a balanced midrange, genuinely punchy low bass and enough output for a backyard gathering; its dome tweeters also improve the earlier Encore’s high-frequency behavior.
Cons: It is front-facing, so the sound changes noticeably to the sides and behind it, and bass compression reduces kick-drum impact at maximum volume. Bluetooth latency can cause lip-sync issues, its IPX4 rating only covers splashes, and it omits the wireless microphones bundled with the non-Essential Encore 2.
Full JBL Partybox Encore Essential 2 review and specifications →
| Amplifier Power | 100W RMS |
|---|---|
| App | Yes (JBL PartyBox app) |
| Aux Input | Yes |
| Battery Life | 15 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.4 |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 12.6” x 13.5” x 10.3” (319.5 x 342 x 260.4 mm) |
| Drivers | 1x 135mm (5.25”) woofer + 2x 20mm (0.75”) dome tweeters |
| EQ | Yes (7 band App EQ) |
| Guitar Input | Yes |
| IP Rating | IPX4 |
| Lights | Yes |
| Maximum SPL | 110dB (measured by Alan Ross Reviews) |
| Microphone Input | Yes (Karaoke mode with echo effect) |
| Omnidirectional | No |
| Party Mode | Yes (Auracast) |
| Power Bank | Yes (USB-C) |
| Power Input | AC Power cord |
| Stereo | Yes |
| Strap | No |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 13.7 lbs (6.2 kg) |
| Wireless Microphones | No |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- JBL Partybox Encore Essential 2 vs JBL Partybox Encore
- JBL Partybox Encore Essential 2 vs JBL PartyBox On-The-Go 2 Plus
- JBL Partybox Encore Essential 2 vs JBL Partybox Encore Essential
- JBL Partybox Encore Essential 2 vs JBL Partybox Encore 2
- JBL Partybox Encore Essential 2 vs Harman Kardon Go + Play 3
- JBL Partybox Encore Essential 2 vs Tribit Stormbox Blast
- JBL Partybox Encore Essential 2 vs Earfun Uboom X
- JBL Partybox Encore Essential 2 vs Yeahbox Sonic Boom Ultra
- See all 80 comparisons
Gemini GRV-650L: $149.95 Amazon eBay
Pros: Pretty amazing value for the money. Decently deep bass, not quite as good as top ranked speakers. Included wireless microphone and remote control. Measured bass extension of ~47Hz (-10dB).
Cons: Not quite as deep bass as the top ranked speakers.
Full Gemini GRV-650L review and specifications →
| Amplifier Power | 320W |
|---|---|
| App | No |
| Aux Input | Yes |
| Bass Extension (-10dB) | ~47Hz |
| Battery Life | 9 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 10.9” x 10.2” x 14.4” (277 x 260 x 366 mm) |
| Drivers | 6.5” woofer + tweeter |
| EQ | No |
| FM Tuner | Yes |
| IP Rating | IPX5 |
| Maximum SPL | 104dB (Manufacturer specified) |
| MicroSD Playback | Yes |
| Omnidirectional | No |
| Party Mode | No |
| Power Bank | Yes |
| Power Input | USB-C |
| Stereo | Partially (1 woofer) |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 15.7 lbs (7.1 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons