Short answer: neither is clearly better, so buy on price. The Onn Large Party gen 2 is an insane value speaker, though it is not quite as loud as the old one. The Harman Kardon Onyx Studio 6 is warm with boosted bass and runs 8 hours at medium volume, and at $130 against $129 the two are effectively the same money.
On the Harman Kardon Onyx Studio 6 side: Warm sound with boosted bass. The tradeoff: 8 hour battery at medium volume.
The case for the Onn Large Party gen 2: An insane value speaker. The tradeoff: Not quite as loud as the old one.
Buy the Harman Kardon Onyx Studio 6 ($130) for a boombox speaker; the Onn Large Party gen 2 ($129) suits a party speaker instead.
There is a real gap in water resistance: the Harman Kardon Onyx Studio 6 at IPX7 (brief submersion) against the Onn Large Party gen 2, which has IPX4 (splashing).
Want more options? Browse the full Portable Bluetooth rankings.
Specifications Side By Side
| Harman Kardon Onyx Studio 6 | Onn Large Party gen 2 | |
|---|---|---|
| Price | $130 | $129 |
| Ranked | #12 of 75 in Boombox Size Portable Bluetooth Speakers | #15 of 39 in Party Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 37Hz | - |
| Battery Life | 8 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| Built-in Microphone | Yes | - |
| IP Rating | IPX7 | IPX4 |
| Bluetooth Latency | 180ms | - |
| Maximum SPL | 96dB (measured by Alan Ross Reviews) | - |
| Party Mode | Yes (Wireless Dual Sound) | Yes (Party Sync Mode) |
| Power Input | DC Barrel Connector (19V/2A) | AC Power cord |
| Stereo | No | Partially |
| Omnidirectional | No | No |
| TWS | Yes (see https://www.reddit.com/r/Bluetooth_Speakers/comments/w339x5/how_to_harman_kardon_onyx_studio_5_6_dual_sound/) | No |
| Weight | 6.5 lbs (2.94 kg) | 20.9 lbs (9.5 kg) |
| Bluetooth Codecs | SBC | SBC |
| App | No | No |
| EQ | No | No |
| Power Bank | No | Yes (USB-A, 5V/2.1A) |
| USB Playback | No | No |
| Bluetooth Version | 4.2 | - |
| Amplifier Power | 50W RMS | 160W RMS (640W peak) |
| Dimensions | 5" x 11.5" x 11.2" (128 x 291 x 284 mm) | 22.5"H x 11.6"W x 11.8"D (571 x 295 x 300 mm) |
| Drivers | 1x 120mm (4.7") woofer + 1x 25mm (1") tweeter + 1x passive radiator | Dual 8" (203mm) woofers + dual tweeters |
| Digital Aux Input | No | No |
| FM Tuner | - | Yes |
| Guitar Input | - | Yes |
| Microphone Input | - | Yes (Karaoke mode with echo effect) |
| Lights | - | Yes |
| Wheels | - | Yes |
Related Speaker Comparisons
How Harman Kardon Onyx Studio 6 compares with other leading options:
- Tribit Stormbox Blast vs Harman Kardon Onyx Studio 6
- Harman Kardon Go + Play 3 vs Harman Kardon Onyx Studio 6
- JBL Partybox Encore 2 vs Harman Kardon Onyx Studio 6
- JBL Partybox Encore Essential 2 vs Harman Kardon Onyx Studio 6
- JBL Partybox Encore vs Harman Kardon Onyx Studio 6
Prices on this page were last checked September 23, 2026 at 11:24 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
Harman Kardon Onyx Studio 6: $130 Amazon eBay
Pros: Harman Kardon Onyx Studio 6 uses a 120mm woofer, 25mm tweeter and passive radiator. Its 2.94 kg, claimed 8 hours (Manufacturer specified) battery life, IPX7 protection, aux input and up to 96dB make it a practical option for its intended room or portable use. Measured bass extension of 37Hz (-10dB).
Cons: Bass is limited by its 37Hz specification. There is no companion app. No EQ adjustment.
Full Harman Kardon Onyx Studio 6 review and specifications →
| Amplifier Power | 50W RMS |
|---|---|
| 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 | 1x 120mm (4.7") woofer + 1x 25mm (1") tweeter + 1x passive radiator |
| EQ | No |
| IP Rating | IPX7 |
| Maximum SPL | 96dB (measured by Alan Ross Reviews) |
| Omnidirectional | No |
| Party Mode | Yes (Wireless Dual Sound) |
| Power Bank | No |
| Power Input | DC Barrel Connector (19V/2A) |
| Stereo | No |
| 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) |
- Links
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: Onyx Studio 7 vs Onyx Studio 6 - massive deep bass battle 😁 More from alanrossreviews →
- 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!
- Head-to-Head Comparisons
- Harman Kardon Onyx Studio 6 vs Harman Kardon Onyx Studio 8
- 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 Yeahbox Sonic Boom Ultra
- Harman Kardon Onyx Studio 6 vs Vifa Copenhagen 2.0
- Harman Kardon Onyx Studio 6 vs Zealot ZE51
- Harman Kardon Onyx Studio 6 vs Zealot ZE41
- Harman Kardon Onyx Studio 6 vs JBL Partybox Encore Essential
- See all 57 comparisons
Onn Large Party gen 2: $129 Walmart eBay
Pros: A remarkably full-featured, manageable 9.5kg party speaker: wheels and handle, FM radio, aux, USB-A charging, mic and guitar inputs with karaoke echo, and Party Sync. Independent testing confirms bass with real impact and enough output for a large room; it is a clear improvement over the Gen 1 for low-end weight.
Cons: The low price shows in the refinement. Consumer Reports found boomy bass, hazy/grainy mids, a prominent smeared treble and a narrow, two-dimensional soundfield; it also notes distortion or other audio issues. There is no app or EQ to tame the tuning, and IPX4 only covers splashes rather than rain or immersion.
Full Onn Large Party gen 2 review and specifications →
| Amplifier Power | 160W RMS (640W peak) |
|---|---|
| App | No |
| Aux Input | Yes |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Digital Aux Input | No |
| Dimensions | 22.5"H x 11.6"W x 11.8"D (571 x 295 x 300 mm) |
| Drivers | Dual 8" (203mm) woofers + dual tweeters |
| EQ | No |
| FM Tuner | Yes |
| Guitar Input | Yes |
| IP Rating | IPX4 |
| Lights | Yes |
| Microphone Input | Yes (Karaoke mode with echo effect) |
| Omnidirectional | No |
| Party Mode | Yes (Party Sync Mode) |
| Power Bank | Yes (USB-A, 5V/2.1A) |
| Power Input | AC Power cord |
| Stereo | Partially |
| TWS | No |
| USB Playback | No |
| Weight | 20.9 lbs (9.5 kg) |
| Wheels | Yes |
- Reviews, Comparisons and Sound Samples
- Jay’s Straight Up Reviews & More: ONN Large Party Speaker Gen. 2 & 1 🔉 🔉 How To Do TWS & TWS Sound Demo. Bluetooth Speakers in Garage More from JaysStraightUpReviews →
- Jay’s Straight Up Reviews & More: ONN XL Party Speaker vs.Two Large Gen. 2 Party Speakers. ONN With The Showdown🔌 Plugged In
- Jay’s Straight Up Reviews & More: ONN Large Party Speaker 2 🎶 (Gen 2.0) First Look and Light Demo
- Jay’s Straight Up Reviews & More: ONN Large Party Speaker Gen 2 vs JBL Partybox 110 ☀️ Outdoors Pole Mounted 🤯 Bass Boost On
- Jay’s Straight Up Reviews & More: ONN Large Party Speaker Gen 2 vs JBL Partybox Encore 🛻 Tailgater Special 🔋 Battery Powered
- Jay’s Straight Up Reviews & More: ONN Large Party Speaker Gen. 2 (Bass Boost On) vs JBL Partybox 110 (Bass Boost 1)🩻Battery Powered🔋
- Williston Audio Labs: This Walmart Bluetooth Speaker is INCREDIBLE More from Williston Audio Labs →
- Head-to-Head Comparisons
- Onn Large Party gen 2 vs Sony SRS-XP500
- Onn Large Party gen 2 vs Soundcore Rave 3S
- Onn Large Party gen 2 vs Sony SRS-XP700
- Onn Large Party gen 2 vs Soundcore Rave 3
- Onn Large Party gen 2 vs Zealot PT21
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- Onn Large Party gen 2 vs Onn XL Wireless Party Speaker
- Onn Large Party gen 2 vs LG XL7
- See all 61 comparisons