Monster
Monster Open Ear AC390 True Wireless Earbuds
Reference: Open Ear AC390
The Monster Open Ear AC390 True Wireless Earbuds comes with a weight of 5 g (With Case).
Zonelectro Editorial Evaluation
Price
126 $
Converted price, estimate — ≈ 1,256 MAD
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Trust & availability
- Last updated
- 9/4/2026 Price not rechecked in over 30 days
- Offers from our sellers
- 1 seller
- Availability
- In stock
- Market
- US
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Price vs. category
Cheapest
1 $Median
24 $Most expensive
4,217 $
1 $Median
24 $Most expensive
4,217 $
Cheaper than 16% of comparable products in its category.
User ManualManual not currently available
Specifications
Download PDF spec sheetGeneral
| Brand | Monster |
| Model | Open Ear AC390 |
| Design | TWS Earbuds |
| Type | Open Ear |
| Connectivity | Wireless |
Extra
| Weight | 5 g (With Case) |
| Bluetooth | Yes, 6.0 |
| Bluetooth Range | 10 m |
| USB | Yes |
| Microphone | Yes |
| Voice Assistant | Yes |
| Water Resistant | Yes |
| Additional Features | IPX5 Rated, Type-C Charging, LED Indicator, 360° Rotatable Case |
| Deep Bass | Yes |
| Frequency Response | 20 Hz (Min) - 20 kHz (Max) |
| Driver Type | PU Titanium Driver |
| Other Features | Pure Monster Sound |
| Sales Package | 1 Pair of Earbuds, Charging Case, Charging Cable, User Manual, Detachable Hanging Rope |
| Battery Life | 24 hours (With Case) |
| Warranty Type | Repair / Replacement |
| Driver Unit | 13 mm |
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