Ultimate HK Onyx Studio speaker review and comparison! 8 speakers!

Every Harman Kardon Onyx Studio speaker ever made compared and rated! from the HK Onyx Studio 1 to the Onyx Studio 8, who is the loudest? Who has the most bass? Which is the best Harman Onyx Studio portable bluetooth speaker in 2023?

Harman Kardon Onyx Studio: https://geni.us/onyx8
Onyx Studio 7: https://geni.us/onyxstudio7
Onyx Studio 6: https://geni.us/onyxstudio6
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tracks:
Track: Style Points - Let Me Show Ya (feat. Leela D)
Watch:    • Style Points - Let Me Show Ya (feat. Leela D)  
Stream: https://Frequency.lnk.to/letmeshowyaCC

Track: Sugar Jesus, LEØN TARØ - Can You Keep A Secret
Music Provided by Magic Records
Listen To The Original:    • Sugar Jesus, LEØN TARØ - Can You Keep A Se...  
Free Download: https://fanlink.to/g9iJ
Usage Policy: http://www.magicmusicLLC.com

Track: Stereohats - Dance (IJustWanna)
Music Provided by Magic Records
Listen To The Original:    • Stereohats - Dance (IJustWanna) (Magic Fre...  
Free Download: https://fanlink.to/gJ3c
Usage Policy: http://www.magicmusicLLC.com

Track: Kastelo & Rian Cult - Baked
Music Provided by Magic Records
Listen To The Original:    • Kastelo & Rian Cult - Baked (Magic Free Re...  ​
Free Download: https://fanlink.to/eHqM​
Usage Policy: http://www.magicmusicLLC.com

RYYZN - You're Welcome

Track: Westerlund, MLVN - Feel Like I Do
Watch:    • Westerlund, MLVN - Feel Like I Do  
Stream: https://Frequency.lnk.to/feellikeidoCC

ONLAP - Rock Ain't Dead

Chapters
0:00 Harman Onyx Studio overview
4:07 Onyx Studio 1 vs Onyx Studio 2
8:03 Studio 2 vs Studio 3
10:59 3 vs 4
14:18 Onyx 4 vs Onyx 5
18:29 5 vs 6
21:54 Onyx Studio 6 vs Onyx Studio 7
25:18 Studio 7 vs Studio 8
29:58 Maximum volume on Battery
31:54 100% loudness mains power
33:04 100% volume stats
37:47 Onyx 5 vs Onyx 8
39:11 wrap-up

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Alan Ross Reviews Top Picks:
Top for value:
Tribit Stormbox Blast: unbeatable deep bass for the money https://geni.us/stormboxblast
Soundcore Motion Boom: https://geni.us/motionboom Amazingly deep bass to 40hz for its size and price.
Learn more about Motion Boom alternative Mifa Wildbox: https://geni.us/mifawildbox
Still worth a look:
My former world champ the Soundcore Motion Plus can still offer great clarity.
https://geni.us/soundcoremotionplus
£50 champion:
Great bass for its size, Soundcore Boost: https://geni.us/soundcoreboost
Tribit Xsound Mega: medium sized mono speaker with fun bass and light show. https://geni.us/xsoundmega
Bass Heavy Speakers:
JBL PartyBox Encore: small battery but VFM for deep abss party speaker with karaoke https://geni.us/jblpartyboxencore
Soundcore Motion Boom Plus: Best package for price, weight and loudness. https://geni.us/motionboomplus
Harman Kardon Go+ Play 2: https://geni.us/goplay
Onyx Studio 5/6 (warmer than the 7/8, bass heavy in balance): https://geni.us/onyxstudio6
Bag of Riddim 2: dollops of mid and upper bass help to give a warm and open sound. Fun listen but not too accurate. https://geni.us/bagofriddim
JBL Boombox 2 & 3: similar bass but Boombox 3 is more mids forward https://geni.us/jblboombox3
W-King D10 for upper bass with a balanced sound and well priced https://geni.us/wkingd10
W-King T11, party type speaker that can hold bass even at max volume (110 dB) https://geni.us/wkingt11
W-King H10, loudest speaker i have tested so far with the biggest battery https://geni.us/wkingh10
Hi End Picks
Minirig mk3 2.2 system: https://geni.us/minirigmk3
Rocksteady Stadium 2.1 system: superior subwoofer to minirig but lacks volume https://geni.us/rocksteadyspeaker
Audio Pro C3: Open and neutral lacks deep bass https://geni.us/audioproc3
Vifa Oslo: expensive but very clear with deep bass, lacks warmth: https://geni.us/vifaoslo
Marshall Stockwell 2: balanced immersive, not loud https://geni.us/stockwell2
Dali Katch: has lots of issues but for very low volumes only is a nice listen https://geni.us/dalikatch
Soundcore Motion Plus: for analytical listening, slightly bass light https://geni.us/motionx600
Travel Speakers:
Earfun UBoom L: smaller than Charge 5, bigger than soundcore Boost, bright tuning: https://geni.us/ubooml
JBL Charge 5: https://geni.us/jblcharge5, mono but has a very clear and dynamic sound at low volumes and can go reasonably loud. Bit screechy over 80%.
Bose Soundlink Flex: https://geni.us/bosesoundlinkflex good bass heavy sound for its compact travel friendly size.
Denon 250bt: discontinued but still a reference for size/quality ratio.
JBL Flip 6: https://geni.us/jblflip6 can be a bit harsh).
Mifa WildRod: https://geni.us/wildrod
Beosound A1 1st gen: sounds better than 2nd gen, connectivity and battery issues. Deep bass for small size, clearer than the Bose Flex. https://geni.us/a1gen1
Wonderboom 3: really nice form factor with reasonable sound https://geni.us/uewonderboom3