Defender Twins 903 (63903)
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Defender Twins 903
Type:in-ear
Connection:Bluetooth v5.0
Frequencies:20 – 20000 Hz
Sensitivity:102 dB
Battery:up to 4 h
All specifications
Specifications Twins 903
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E-Catalog UK editor, Headphones
Olexandr Cherkashche…, edited 08.04.2026
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Defender 2026 - new arrivals, bestsellers, and the most relevant models Defender.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Defender 2026 - new arrivals, bestsellers, and the most relevant models Defender.
Everything You Need to Know About Headphones: A Complete Technical GuideThe choice begins with understanding the design and features.
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Series Defender Twins (TWS)Compare using chart →
in-ear, wireless, true wireless, Bluetooth v5.0, 20 – 20000 Hz, 32 Ohm, battery: up to 4 h
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