Sennheiser Ie Pro BT Connector
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- This item is covered for 3 years
Essential Information About the BT Connector Bluetooth Neckband Cable
Essential Information About the BT Connector Bluetooth Neckband Cable
- Transform your IE 100/400/500 PRO in-ear monitors into a wireless solution: simply replace the cable and pair via Bluetooth.
- Smoother listening on mobile and video thanks to Bluetooth 5.0, AAC, and aptX Low Latency.
- Built-in microphone for calls and daily interactions without removing your earphones.
- Up to 10 hours of battery life during playback (via SBC) and about 2.5 hours for a full charge.
Manufacturer Information
Sennheiser
https://www.sennheiser.com
contact@sennheiser.com
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Safety manager:
Sennheiser electronic SE & Co.
Email: contact@sennheiser.com
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An accessory designed to extend the spirit of the IE PRO range
The BT Connector is a natural extension of the IE 100 PRO, IE 400 PRO, and IE 500 PRO in-ear monitors: it retains the ergonomics and isolation of an in-ear setup while adding the freedom of wireless. An ideal solution to switch from wired monitoring to mobile listening without changing your earphones.
Who it's for and what it's for: mobility, rehearsals, content, and calls
This Bluetooth neckband cable is aimed at musicians, creators, and mobile users who want to keep their stage in-ears on the go. Convenient for commuting, working on a computer, watching content, and calls, it offers direct fingertip control with voice assistant support while remaining discreet and lightweight around the neck.
Connectivity, control, and low latency: mastered wireless experience
Bluetooth 5.0 and audio codecs
The Bluetooth 5.0 connection, combined with AAC and aptX Low Latency codecs, ensures a more stable and responsive listening experience, particularly appreciated for video and uses where audio delay can be disruptive.
NEMS microphone and remote control
The NEMS principle microphone with omnidirectional directivity facilitates voice capture during conversations. The remote control integrates voice assistant support to manage your essential functions without taking out your device.
Technical specifications
| Color | Black | ||
| Wearing style | Bluetooth neckband cable | Battery charging time | approximately 2.5 hours |
| Microphone principle | NEMS | Operating temperature | +5degC to +40degC |
| Microphone frequency response | 100 - 8,000 Hz | Charging temperature | +10degC to +40degC |
| Microphone sensitivity | -42 dBV/Pa (ITU-T P.79) | Storage temperature | -20degC to +70degC |
| Microphone directivity (spoken voice) | omnidirectional | Relative humidity (operation) | 10 - 80%, non-condensing |
| Power supply - built-in lithium-polymer battery | 3.7 V, 100 mAh | Relative humidity (storage) | 10 - 90% |
| USB charging | 5V, 100 mAh | Weight | approximately 13g |
| Battery life | 10 hours (music playback via SBC) with the headset battery; 240 hours in standby mode | ||
Questions frequently asked
Is the Sennheiser IE PRO BT Connector compatible with the IE 100 PRO, IE 400 PRO, and IE 500 PRO?
This accessory is designed as an extension for the IE 100 PRO, IE 400 PRO, and IE 500 PRO in-ear monitors. It allows maintaining their in-ear configuration with a Bluetooth neckband cable.
What is the battery life of the IE PRO Bluetooth cable?
The announced battery life reaches 10 hours of music playback via the SBC codec. The integrated 3.7 V / 100 mAh lithium-polymer battery offers up to 240 hours on standby.
Is audio latency reduced for watching videos?
The Bluetooth 5.0 connection supports AAC and aptX Low Latency codecs. The latter is intended for latency-sensitive applications, notably video.
Is it possible to make phone calls with this Bluetooth connector?
An omnidirectional NEMS microphone is integrated into the cable, with a frequency response of 100 to 8,000 Hz. The remote control provides access to call functions and voice assistant.
How long does it take to recharge the BT Connector?
USB charging takes about 2.5 hours. The cable weighs only around 13 g when worn around the neck.



