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The TRN Scallop Combo is a Bluetooth receiver designed to extend the use of wired earphones by adding wireless connectivity, while preserving their original sonic signature. It relies on a Bluetooth 6.0 chip combined with an optimised decoding architecture, enabling stable, low-latency transmission to maintain signal coherence and soundstage integrity.
The Scallop integrates a Bluetooth 6.0 interface, improving transmission stability and interference management, allowing more precise audio synchronisation in latency-sensitive applications such as gaming, video or streaming. This advancement extends to support for AAC and SBC codecs, ensuring broad compatibility while maintaining a balance between reproduction quality and energy efficiency.


The Scallop adopts a modular design allowing connector replacement, maintaining compatibility with different in-ear monitor standards. This approach is reflected in the inclusion of MMCX, 2-pin 0.78mm (CIEM) and 2-pin Type S terminations, enabling quick adaptation to the system without modifying the main equipment.
The over-ear structure follows the natural contour of the auricle, stabilising the assembly while distributing mechanical stress over time. Combined with a weight of approximately 6 g per side, this design limits fatigue during extended sessions while maintaining a secure fit during active use.


The Scallop delivers up to 10 hours of continuous playback on a single charge, while the 700 mAh charging case extends total battery life to approximately 50 hours, allowing charging cycles to be spread across several days of use. This energy management relies on a low-consumption architecture, ensuring uninterrupted operation without frequent recharging.
A water-resistant coating protects the internal circuitry against moisture, splashes and perspiration, maintaining operational stability across varied usage conditions. This protection extends system reliability without requiring special precautions in outdoor environments.

Technical characteristics
| Specifications | |
|---|---|
| Product type | Bluetooth receiver for IEM |
| Connectors | MMCX CIEM 2-pin Type S |
| Bluetooth version | 6.0 |
| Supported Bluetooth codecs | SBC, AAC |
| Bluetooth range | 20m |
| Battery capacity | Receivers: 60mAh Case: 700mAh |
| Battery life | Receivers: 10h Case: 50h |
| Charging time | Receivers: 1.5h ~ 2h Case: 2.5h ~ 3h |
| General | |
|---|---|
| Colour | Black |
| Weight | 6g per receiver |
| Package contents | 1x TRN Scallop Combo 1x Carrying case 1x MMCX termination 1x CIEM termination 1x 2-pin Type S termination |