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Comment by josh2600 | Hacker News Reader

Some thoughts:

* hardware is hard.

* devices that make 126db sustained at low frequencies consume a lot of power (im assuming the author is measuring dba but I know the SB3 puts out a lot of bass so could be dbc).

* battery power + wall power simultaneously with high power draw is very hard to get right.

Basically the thing Soundboks is trying to make is the intersection of a LOT of different hardware problems. Im not surprised they’re having trouble.

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I can completely see that the AC adapter is probably underpowered. Very few songs are 30 Hz bass continuously, so it seems a reasonable design decision to deliberately have the AC adapter provide power of an average song, and use the battery to supply peak power during brief peaks.

If they did that however, they needed software to keep track of the battery voltages and have a failsafe mode which reduces volume only if you've been playing 30Hz bass for 8 hours continuously and the battery has been discharging despite being on AC power.

Answer from SOUNDBOKS support on all battery issues have always been that it’s a battery powered speaker, and not supposed to be used while charger is attached. That fact the charger can then be connected at the same time is a mystery.

Geez the JBL-EON ONE MK2. They go hard. Legit first piece of speaker tech asside from the adau1701 series of DSP that has gotten me excited in roughly the last 5 or so year.

> JBL-EON ONE MK2 - All-In-One Rechargeable Column PA with Built-In Mixer and DSP

That's so much more than just a speaker though, and could suffer the same fate as the "speaker" in the submission. Although JBL has a reputation they care deeply about, so unlikely to happen.

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