Short answer: the JBL Partybox Encore 2. It ranks #4 of 98 boombox speakers by sound quality, rated 4.4/5, at $330; the JBL Authentics 300 ranks #44, rated 3.5/5, and costs $499.95, so there is little reason to consider the other one.
The JBL Partybox Encore 2 is the better-sounding, louder choice. The Encore 2 improves the original with dome tweeters, a less boomy balance, slightly deeper bass, longer battery life and two included wireless microphones. Alan Ross Reviews measured it at 110dB at full volume, against 100dB for the JBL Authentics 300. It is rated for 15 hours of battery against 8 for the JBL Authentics 300. It is rated IPX4, while the JBL Authentics 300 has no water resistance. Watch for: It still lacks some upper-bass punch and cannot match the scale of the larger PartyBoxes.
The JBL Authentics 300 is the lighter pick. Integrates both Amazon Alexa and Google Assistant simultaneously (rare for smart speakers). At 10.8 lbs (4.9 kg) it weighs noticeably less than the JBL Partybox Encore 2 at 14.1 lbs (6.4 kg). The catch: Narrow sounding, bass not as deep as others.
Buy the JBL Partybox Encore 2. It is rated higher for sound quality than the JBL Authentics 300 and costs less, so it is the default pick unless a specific strength of the other one matters more to you.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| JBL Partybox Encore 2 | JBL Authentics 300 | |
|---|---|---|
| Price | $330 | $499.95 |
| Ranked | #4 of 98 in Boombox Size Portable Bluetooth Speakers | #44 of 98 in Boombox Size Portable Bluetooth Speakers |
| App | Yes (JBL PartyBox app) | Yes |
| Aux Input | Yes | No |
| Battery Life | 15 hours (Manufacturer specified) | 8 hours (Manufacturer specified) |
| Built-in Microphone | No | Yes |
| EQ | Yes (7 band App EQ) | Yes (App EQ) |
| IP Rating | IPX4 | None |
| Maximum SPL | 110dB (measured by Alan Ross Reviews) | 100dB (measured by Alan Ross Reviews) |
| Party Mode | Yes (Auracast) | Yes (Wi-Fi Multi-Room) |
| Power Bank | Yes (USB-C) | No |
| Power Input | AC Power cord | AC Power cable |
| Removable Battery | Yes | - |
| Stereo | Yes | Partially (1 woofer) |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| USB Playback | Yes | Yes |
| Weight | 14.1 lbs (6.4 kg) | 10.8 lbs (4.9 kg) |
| Wireless Microphones | Yes 2 Included | - |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| Bluetooth Version | 5.4 | 5.3 |
| Amplifier Power | 100W RMS | 100W |
| Dimensions | 12.6” x 13.3” x 10.4” (319.5 x 338.6 x 263 mm) | 13.5” x 7.7” x 7.1” (342 x 195.6 x 180.3 mm) |
| Drivers | 1x 135mm (5.25”) woofer + 2x 20mm (0.75”) dome tweeters | 1” tweeter + 4” woofer + passive radiators |
| Digital Aux Input | No | No |
| Lights | Yes | - |
| Strap | No | No |
| Bass Extension (-10dB) | 42Hz | 45Hz |
| Wi-Fi | - | Yes |
| MicroSD Playback | - | No |
| Voice Assistants | - | Amazon Alexa & Google Assistant (simultaneous) |
Related Speaker Comparisons
More worthwhile head-to-heads for JBL Partybox Encore 2:
- EarFun Uboom X vs JBL Partybox Encore 2
- Tribit Stormbox Blast vs JBL Partybox Encore 2
- Harman Kardon Go + Play 3 vs JBL Partybox Encore 2
- JBL Partybox Encore 2 vs JBL PartyBox On-The-Go 2 Plus
- JBL Partybox Encore 2 vs JBL Partybox Encore Essential 2
Prices on this page were last checked October 12, 2026 at 4:13 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 2: $330 Sam’s Club $330 eBay
Older model: the JBL Partybox Encore (ranked lower, rated 4.3/5). See every JBL PartyBox Encore generation.
Same family: the JBL Partybox Encore Essential 2 (larger model, ranked lower, rated 4.3/5).
Pros: The Encore 2 improves the original with dome tweeters, a less boomy balance, slightly deeper bass, longer battery life and two included wireless microphones. Its compact karaoke-ready design and 7-band EQ make it more adaptable indoors than the earlier Encore. Measured bass extension of 42Hz (-10dB).
Cons: It still lacks some upper-bass punch and cannot match the scale of the larger PartyBoxes. The main value is compact karaoke convenience rather than full-range party output.
Full JBL Partybox Encore 2 review and specifications →
| Released | Apr 2025 (1 year ago) |
|---|---|
| Amplifier Power | 100W RMS |
| App | Yes (JBL PartyBox app) |
| Aux Input | Yes |
| Bass Extension (-10dB) | 42Hz |
| Battery Life | 15 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.4 |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 12.6” x 13.3” x 10.4” (319.5 x 338.6 x 263 mm) |
| Drivers | 1x 135mm (5.25”) woofer + 2x 20mm (0.75”) dome tweeters |
| EQ | Yes (7 band App EQ) |
| IP Rating | IPX4 |
| Lights | Yes |
| Maximum SPL | 110dB (measured by Alan Ross Reviews) |
| Omnidirectional | No |
| Party Mode | Yes (Auracast) |
| Power Bank | Yes (USB-C) |
| Power Input | AC Power cord |
| Removable Battery | Yes |
| Stereo | Yes |
| Strap | No |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 14.1 lbs (6.4 kg) |
| Wireless Microphones | Yes 2 Included |
- Links
- Reviews, Comparisons and Sound Samples
- JOY‘s 🎧3D🔈Audio-Show: JBL Boombox 4 vs Partybox Encore 2 - outdoor loudness & basstest More from Oluv’Sone →
- Alan Ross Reviews: JBL giving it to us large! The good, The bad, The diabolical! More from alanrossreviews →
- M1M Tech Channel: Partybox Killer? 2x Earfun UBoom X stärker als JBL Encore 2 ? More from M1MTechChannel →
- M1M Tech Channel: JBL Partybox Encore 2 Ein fettes Bass Upgrade
- M1MTechChannel: Welche JBL Partybox ist die BESTE ? Alle Partyboxen im Vergleich | 2026
- Dominik Reviews: JBL Partybox Encore 2 vs JBL Boombox 3 WiFi - Sound Test - Wide vs Narrow Soundstage! More from Dominik Reviews →
- Mateusz Cholewa: JBL Partybox ENCORE 2👌FULL TEST🆚 JBL Partybox ENCORE 1 More from Mateusz Cholewa →
- Mateusz Cholewa: Jbl Partybox Encore 2 📦UNBOXING. Short TEST AUDIO z ENCORE 1👌
- Mateusz Cholewa: JBL Encore 2 Partybox Deep Bass 🆚 Jbl Boombox 3 WiFi 🎶
- GYMCADDY: JBL Partybox On The Go 2 Vs JBL Partybox Encore 2 More from GYMCADDY →
- GYMCADDY: Soundboks Mix Vs JBL Partybox 120
- Head-to-Head Comparisons
- JBL Partybox Encore 2 vs Harman Kardon Go + Play 3
- JBL Partybox Encore 2 vs JBL PartyBox On-The-Go 2 Plus
- JBL Partybox Encore 2 vs Tribit Stormbox Blast
- JBL Partybox Encore 2 vs JBL Partybox Encore Essential 2
- JBL Partybox Encore 2 vs JBL Partybox Encore
- JBL Partybox Encore 2 vs EarFun Uboom X
- JBL Partybox Encore 2 vs JBL Partybox Encore Essential
- JBL Partybox Encore 2 vs Aiwa Exos-9
- See all 97 comparisons
JBL Authentics 300: $499.95 Amazon $499.95 eBay
Same family: the JBL Authentics 200 (smaller model, rated 3.7/5) and the JBL Authentics 500 (larger model, rated 4.1/5).
Pros: Integrates both Amazon Alexa and Google Assistant simultaneously (rare for smart speakers). Retro seventies design with leather and Quadrex grille. 100-watt amp, carries well with leather-trimmed handle. Rechargeable battery rated ~8 hours. Measured bass extension of 45Hz (-10dB).
Cons: Narrow sounding, bass not as deep as others. Peaky upper mids. No TWS. No IP rating. Not as loud as others. Not much battery life.
Full JBL Authentics 300 review and specifications →
| Released | Sep 2023 (3 years ago) |
|---|---|
| Amplifier Power | 100W |
| App | Yes |
| Aux Input | No |
| Bass Extension (-10dB) | 45Hz |
| Battery Life | 8 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 13.5” x 7.7” x 7.1” (342 x 195.6 x 180.3 mm) |
| Drivers | 1” tweeter + 4” woofer + passive radiators |
| EQ | Yes (App EQ) |
| IP Rating | None |
| Maximum SPL | 100dB (measured by Alan Ross Reviews) |
| MicroSD Playback | No |
| Omnidirectional | No |
| Party Mode | Yes (Wi-Fi Multi-Room) |
| Power Bank | No |
| Power Input | AC Power cable |
| Stereo | Partially (1 woofer) |
| Strap | No |
| TWS | Yes |
| USB Playback | Yes |
| Voice Assistants | Amazon Alexa & Google Assistant (simultaneous) |
| Weight | 10.8 lbs (4.9 kg) |
| Wi-Fi | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- JOY‘s 🎧3D🔈Audio-Show: JBL Authentics 300 - sound quality test More from Oluv’Sone →
- Oluv Patreon: JBL Authentics 300 - update
- Oluv Patreon: JBL Authentics 300 - listening session
- Alan Ross Reviews: Not quite! JBL Authentics 300 review and sound test vs Boombox 3, Encore and Stormbox Blast More from alanrossreviews →
- Storytripper HD: W-King H330 vs JBL Authentics 300 More from storytripperhd →
- Head-to-Head Comparisons
- JBL Authentics 300 vs JBL Boombox 2
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- JBL Authentics 300 vs W-King X20
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- See all 110 comparisons