Frequency response: 20Hz-16kHz, Battery capacity: 3.7V/20000 mAh, Product size: 300*100*134mm, Brand: XDOBO, Using Time: ≥12 hours, Output Power: 100W RMS, Charging time: 8 hours, bluetooth version: V5.0, Wireless transmission range: ≥18m (open area), Model: X8 Max, Audio noise ratio: ≥75db.
Aliexpress
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Here are coupons that you can use.
Updated: 08-09-2025
Banggood
Warehouse in China.
Link: XDOBO X8 Max 100W Bluetooth Speaker
$175.94 with coupon: BGAUDIO
Additional Banggood coupons:
1. First page
2. Second page
Price history and price alert
Do you need price history chart (for all/most countries) for XDOBO X8 Max 100W Bluetooth Speaker? There we go. The lowest price was: $89.99.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).