The BTM581 Bluetooth module features the Qualcomm® QCC5181 chipset, supporting Bluetooth® 5.4 dual mode (2.402 - 2.480 GHz). It covers profiles like A2DP, AVRCP, HFP, HSP, PBAP, SPP, and GATT, with dimensions of 13mm x 20mm x 2.8mm.Equipped with 240 MHz Qualcomm Technologies audio DSPs, an 80 MHz developer - dedicated processor, and a system - managing firmware processor, it offers a flexible QSPI flash programmable platform. Supporting advanced audio codecs (Qualcomm® aptX™ codec, aptX HD, aptx-adaptive, AAC, SBC, LDAC), it has digital and analog microphone interfaces and advanced audio algorithms.Suitable for automotive, Bluetooth earbuds, headsets, and USB Dongle applications, this module leverages robust hardware and software integration for stable, high - performance wireless audio connectivity.

Launching a new audio product? Our hardware reference designs make it easy. Whether it’s earbuds, headsets, glasses, or speakers, we deliver complete, application-specific platforms packed with everything you need—microphones, amps, sensors, chargers, even a charging case. Designed for quick and easy customization, our schematics and layouts are clean, functional, and structured for speed. And yes, we provide polished Altium master design files, so you’re not starting from scratch. Just plug in your vision—we’ll help bring it to life.