The ACCENTUM True Wireless are Sennheiser’s true wireless earbuds in the ACCENTUM line. They feature Sennheiser’s “TrueResponse” acoustic drivers, hybrid active noise cancellation (ANC) with transparency mode, and up to 28 hours of total playback with the charging case. Connectivity is provided by Bluetooth 5.3 with support for multiple codecs. They are designed for comfortable all-day wear and ease of use across mobile, work and lifestyle settings.
Key Features
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Hybrid Active Noise Cancellation (ANC) plus transparency mode
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Ergonomic, comfortable in-ear design with multiple ear-tip sizes
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TrueResponse 7 mm dynamic drivers for detailed sound reproduction
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Bluetooth 5.3 (including Bluetooth LE / Auracast compatibility)
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Battery life: up to ~8 hours in earbuds + ~20 hours via charging case (≈28 hours total)
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Fast charge: ~10 minutes charging gives ~1 hour playback
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Qi Wireless charging plus USB-C charging for case
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IP54 splash resistance (earbuds)
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Customizable sound via Smart Control app with five-band EQ and presets
Technical Specifications
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Driver Type/Size: Dynamic “TrueResponse” 7 mm
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Frequency Range: 5 Hz – 21 kHz
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Sensitivity: 107 dB SPL (1 kHz / 1 mW)
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THD: < 0.08% (1 kHz / 94 dB)
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Bluetooth Version: 5.3
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Supported Codecs: SBC, AAC, aptX, LC3
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Battery Life:
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Earbuds: ~8 hours (ANC off), ~6 hours (ANC on)
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Charging Case: Adds up to ~20 hours (total up to ~28 hours)
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Charging Time: Approx. 1.5 hours full; ~10 min gives ~1 hour playback
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Wireless Charging Case: Yes (Qi)
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Weather Resistance: IP54 (earbuds)
