
soundcore
Boom 2
Loud, bassy beast; needs EQ, no aux.

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I would say go for charge 5 for 10k
Jbl charge 5. Ive abused two of them extremely hardly for two years and they still work. The cosmetics like the mettal logo will scratch and even fly out after big abuse but i can safely say the speaker holds 3 story drops fine and even works after burning in a fire pit for a minute. Also you can submerge it for 24h+ and it will still work fine. The battery will be the thing the gives out first but thats after 4 years or so.
105db? Thats complete bullshit, i got a jbl charge 6 louder and that clocks at 101,3db(A) and for the 250$ price tag it has worse specs/performance then a charge 6/5. It has worse SPL, worse clarity, worse battery, and worse bass response although durability is mostly equal as far as i have abused both (ranger and charge 6).
I have two charge 5’s usually use them in stereo. But I now want two Extreme 4’s.
Personally i find the x600 awful. Charge 5 comes to mind given your requirements or even soundlink max.
If you like your music slightly laid back maybe get the charge 5 over the 6
6 is brighter, more aggressive. 5 is warmer, more gentle listening.
Have the same jbl charge 5, love those speakers with the jbl app for stereo mode. Nice portable gaming setup!
The JBL Charge 5 and Bose SoundLink Flex were everywhere, and from what I’ve used, they deserve it.

soundcore
Boom 2
Loud, bassy beast; needs EQ, no aux.

Bose
SoundLink Flex Series
Durable, compact, good for size; distorts at high volume.

Minirig
Minirig 4
Unrivaled sound, long battery; pricey, flaky Bluetooth.

soundcore
Motion+
Best value, excellent sound with EQ; needs EQ.

JBL
Charge 6
Durable, portable, clear bass; dull vocals, distorts up close.

Ranked #1
Anker - Select 4 Go

Ranked #1
Harman Kardon - Go + Play 3

Ranked #1
LG Electronics - XBOOM Grab

Ranked #1
soundcore - Boom 3i

Ranked #1
JBL - Boombox 4

Ranked #1
Bose - SoundLink Flex Series