Short answer: the JBL Partybox Encore Essential 2 for better sound quality, the Harman Kardon Onyx Studio 6 for the lower price. The JBL Partybox Encore Essential 2 ranks #5 of 73 boombox speakers at $209. The Harman Kardon Onyx Studio 6 ranks #11 at $130, $79 cheaper.
The case for the JBL Partybox Encore Essential 2: Appears to have better off axis performance due to the move to dome tweeters over cone. The tradeoff: Missing a little bit of upper bass.
On the Harman Kardon Onyx Studio 6 side: Warm sound with boosted bass. Set against that: 8 hour battery at medium volume.
Buy the JBL Partybox Encore Essential 2 if sound quality matters more than the price. Buy the Harman Kardon Onyx Studio 6 if the price matters more than sound quality.
If battery life is a priority, the JBL Partybox Encore Essential 2 is rated for 15 hours versus 8 hours for the Harman Kardon Onyx Studio 6.
If water resistance matters to you, the Harman Kardon Onyx Studio 6 at IPX7 (brief submersion) holds up far better than the JBL Partybox Encore Essential 2 at IPX4 (splashing).
Specifications Side By Side
| JBL Partybox Encore Essential 2 | Harman Kardon Onyx Studio 6 | |
|---|---|---|
| Price | $209.00 | $130 |
| Ranked | #5 of 73 in Boombox Size Portable Bluetooth Speakers | #11 of 73 in Boombox Size Portable Bluetooth Speakers |
| App | Yes (JBL PartyBox app) | No |
| Aux Input | Yes | Yes |
| Battery Life | 15 hours (Manufacturer specified) | 8 hours (Manufacturer specified) |
| Built in Microphone | No | Yes |
| EQ | Yes (7 band App EQ) | No |
| Guitar Input | Yes | - |
| IP Rating | IPX4 | IPX7 |
| Microphone Input | Yes (Karaoke mode with echo effect) | - |
| Party Mode | Yes (Auracast) | Yes (Wireless Dual Sound) |
| Power Bank | Yes (USB-C) | No |
| Power Input | AC Power cord | DC Barrel Connector (19V/2A) |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| TWS | Yes | Yes (see https://www.reddit.com/r/Bluetooth_Speakers/comments/w339x5/how_to_harman_kardon_onyx_studio_5_6_dual_sound/) |
| USB Playback | Yes | No |
| Weight | 13.7 lbs / 6.2 kg | 6.5 lbs / 2.94 kg |
| Wireless Microphones | No | - |
| Bluetooth Codecs | SBC | SBC |
| Bluetooth Version | 5.4 | 4.2 |
| Output Power | 100W RMS | 50W RMS |
| Dimensions | 12.6" x 13.5" x 10.3" (319.5 x 342 x 260.4 mm) | 5" x 11.5" x 11.2" (128 x 291 x 284 mm) |
| Drivers | 1x 135mm (5.25") woofer + 2x 20mm (0.75") dome tweeters | 2x 75mm woofers + 2x 20mm tweeters |
| Max Volume | 110dB | 96dB |
| Digital Aux Input | No | No |
| Bass Extension (-10dB) | - | 37Hz |
| Bluetooth Latency | - | 180ms |
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More useful head-to-heads from the same speaker class:
- Harman Kardon Onyx Studio 8 vs Harman Kardon Onyx Studio 9
- Harman Kardon Onyx Studio 8 vs Zealot ZE21
- Harman Kardon Onyx Studio 8 vs Zealot S89
- Earfun Uboom X vs JBL Partybox Encore Essential 2
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The Two Speakers In Full
JBL Partybox Encore Essential 2: $209.00 Amazon Bhphotovideo
Pros: Appears to have better off axis performance due to the move to dome tweeters over cone. A little less rolled off in the highs than the first Encore. Goes slightly deeper than the old Encore. Better battery life than the first Encore.
Cons: Missing a little bit of upper bass. No wireless Microphones like the non-Essential
Full JBL Partybox Encore Essential 2 review and specifications →
| 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 |
| Max Volume | 110dB |
| Microphone Input | Yes (Karaoke mode with echo effect) |
| Omnidirectional | No |
| Output Power | 100W RMS |
| Party Mode | Yes (Auracast) |
| Power Bank | Yes (USB-C) |
| Power Input | AC Power cord |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 13.7 lbs / 6.2 kg |
| Wireless Microphones | No |
As an eBay Partner, we may be compensated if you make a purchase.
- 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 Encore 2
- JBL Partybox Encore Essential 2 vs JBL Partybox Encore Essential
- 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 Harman Kardon Onyx Studio 8
- JBL Partybox Encore Essential 2 vs Harman Kardon Onyx Studio 7
- See all 21 comparisons
Harman Kardon Onyx Studio 6: $130 Amazon
Pros: Warm sound with boosted bass. Oluv liked it slightly better than the newer Onyx 7.
Cons: 8 hour battery at medium volume. Not at loud as others.
Full Harman Kardon Onyx Studio 6 review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 37Hz |
| Battery Life | 8 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Latency | 180ms |
| Bluetooth Version | 4.2 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 5" x 11.5" x 11.2" (128 x 291 x 284 mm) |
| Drivers | 2x 75mm woofers + 2x 20mm tweeters |
| EQ | No |
| IP Rating | IPX7 |
| Max Volume | 96dB |
| Omnidirectional | No |
| Output Power | 50W RMS |
| Party Mode | Yes (Wireless Dual Sound) |
| Power Bank | No |
| Power Input | DC Barrel Connector (19V/2A) |
| Stereo | Yes |
| TWS | Yes (see https://www.reddit.com/r/Bluetooth_Speakers/comments/w339x5/how_to_harman_kardon_onyx_studio_5_6_dual_sound/) |
| USB Playback | No |
| Weight | 6.5 lbs / 2.94 kg |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: Onyx Studio 7 vs Onyx Studio 6 - massive deep bass battle 😁
- That Speaker Guy: Harman Kardon Onyx Studio 6 vs Devialet Mania
- Ezekielo: Citation 200 vs Onyx Studio 6 vs Bose Portable Speaker Sound Comparison
- Alan Ross Reviews: Harman Kardon Go+ Play 2 mini or Onyx Studio 6 - best speaker for bass?
- Alan Ross Reviews: Ultimate HK Onyx Studio speaker review and comparison! 8 speakers!
- Reddit Search for Harman Kardon Onyx Studio 6 Review
- Head-to-Head Comparisons
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- Harman Kardon Onyx Studio 6 vs Harman Kardon Onyx Studio 7
- Harman Kardon Onyx Studio 6 vs Harman Kardon Onyx Studio 9
- Harman Kardon Onyx Studio 6 vs Vifa Copenhagen 2.0
- Harman Kardon Onyx Studio 6 vs Zealot ZE41
- Harman Kardon Onyx Studio 6 vs JBL Partybox Encore Essential
- Harman Kardon Onyx Studio 6 vs Zealot ZE21
- Harman Kardon Onyx Studio 6 vs JBL Partybox Encore
- See all 18 comparisons


