DXOMARK test scores are consistent, and the JBL Xtreme 3 had excellent timbre (that refinement we mentioned) and artifacts (clarity) followed by dynamics (frequency response).
JBL XTREME BATTERY INDICATOR PORTABLE
By comparison, a similar portable – the Bose Revolve II was 107. Interestingly DXOMARK reviewed the JBL Xtreme 3, and it scored 136, well above any other portable, let alone any IP67 portable. Knowing that JBL doesn’t stand still when you next buy an Xtreme V.whatever, it will be even better. GadgetGuy’s take – JBL Xtreme 3 is a refinementĭon’t panic if you have the previous version – you will get many years of pleasure from it. Being BT 5.1, you can pair two BT 5.0 host devices (one active at a time). This is not the old Connect+, so those BT 4.1 speakers won’t pair up. You can also pair two Xtreme 3 for stereo (not tested). It is compatible with other PartyBost enabled speakers like Boombox 2, Flip 5, and Pulse 4 – BT 5.1 speakers. As a powerbank, it can recharge a 4000mAH smartphone battery twice. So if it is empty, it will get 20V/3A for about 60% and then step down to 9 and 5V to finish off. What that means is that it talks to the battery and selects the best fixed voltage/amperage. It is a USB-C PD 2.0 charger capable of 5/9/12/15/20V at 3A and lacks the micro-negotiation finesse of a PD 3.0 charger.
Recharge is claimed at 2.5hrs with the charger outputting 20V/3A/60W. There is a 3-part LED (2/50/100) battery indicator. We could only do one complete test, and we settled on 75% volume giving just over 10 hours of battery life. It is a 12.1V/3000mAh/36.3Wh battery, and under lab conditions, it will give up to 15 hours at 50%. We tested the figures with a Power-Z metre, and they are accurate, so you can charge your 7.5/10W smartphone, albeit at those rates. The USB-C port can provide 5V/1.5A (maximum) as power bank as well – the maximum combined is 2.5A. It has a USB-C port for upstream charging and a USB-A port (no music – for service) or as a 5V/2A (maximum) power bank output. We noticed a lag on BT – not that you would notice unless you were using it with a TV. It has a 3.5mm three-pole stereo AUX-in port as well. It is primarily a BT SBC 16-bit/44.1Hz CVD music quality speaker. PS – don’t try to use it vertically – it impedes the bottom passive radiator and completely changes the speaker’s response. Because the flat (good) response neither adds nor subtracts from the original content. While you could call it bass-centric, it really depends on the music content/genre.
From there, it dips slightly, and it flat (good) to 20khz. It builds well to 86Hz and then is flat (good) until 4kHz. Note that volume depends on input source – smartphones are limited to 80dB. You can push it quite comfortably to 85dB (max around 90dB).
We estimate that wattage RMS drops about 5% on battery.Claimed frequency response – 53.5Hz to 20kHz (confirmed).Claimed volume: 80dB but tested to 85dB (90db at a push).Speaker specs (Wattage is on mains power) I like the look, and everyone that sees it quite likes it too. Along the way, it has lost 425g making it eminently more portable at 298.5 x 136 x 134mm and 1.968kg. It has that same aggressive, serious music stance with a carry strap and IP67 waterproofing (1m for 30 minutes, but it does not float). You can read more GadgetGuy JBL news and reviews here.įirst impression – OK, it is a JBL Xtreme 2 but a little more refined
the mid-40s) is short for James B Lansing (Yes, he was the Lansing in Altec Lansing as well.) Now it’s part of the Harman group of companies owned by Samsung.
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