Bluetooth HiFi Upgrade Cable LDAC aptX Adaptive QCC5125

Bluetooth 5.1 HiFi Earphone Upgrade Cable with LDAC & aptX Adaptive — QCC5125 Chipset

Transform your wired in-ear monitors into a premium wireless HiFi audio experience with this Bluetooth 5.1 Earphone Upgrade Cable. Powered by the Qualcomm QCC5125 chipset, it supports LDAC, aptX Adaptive, aptX HD, aptX, AAC, and SBC — giving you lossless and high-resolution audio streaming with virtually every modern device. Whether you own Shure, Sennheiser, Sony, KZ, TFZ, or other compatible IEMs, this cable is the ultimate wireless upgrade.

Made in Mainland China.

Key Features

• Qualcomm QCC5125 Chip: Latest-generation chipset with superior wireless performance and audio decoding — a significant step up from QCC3034 and CSR8675.
• aptX Adaptive Decoding: Combines the best of aptX HD and lossless audio, dynamically adjusting sound quality and latency for your content. Compatible with Xiaomi 10 and other aptX Adaptive-enabled phones.
• LDAC & aptX HD Support: Stream hi-res audio at up to 990 kbps with LDAC for an audiophile-grade wireless experience.
• Massive 500 mAh Dual Battery: Up to 45 hours of playback on a single charge — perfect for long commutes, workdays, or travel.
• cVc 8.0 Noise Cancellation: Crystal-clear calls with advanced microphone noise cancellation technology.
• Universal Connector Compatibility: Available in multiple connector types — 0.78mm 2-Pin, MMCX, UE, QDC, A2DC, IE80, IE40, and more. Wide support for Shure, Sony, Audio-Technica, Sennheiser, KZ, TFZ, SIMGOT, and other brands.
• Built-in Microphone & Playback Controls: Take calls and control your music hands-free.
• Apple Siri & Google Assistant: Voice assistant support for seamless smart device integration.
• USB Type-C Fast Charging: Modern, reversible charging port for convenient everyday use.
• Dual Connection: Connect two devices simultaneously and switch effortlessly between them.
• Bluetooth 5.1: Stable, low-latency connection with extended range.

Compatibility Guide

• MMCX (Shure / Sony): Shure SE215, SE425, SE535, SE846; UE900; Sony N1AP, N3AP, XBA-Z5, XBA-A2
• A2DC (Audio-Technica): E40, E50, E70, CKS1100IS, LS50, LS70, LS200–LS400, CKR90, CKR100IS, AT-HDClis, IM50, IM70, IM01–IM04
• IE Series (Sennheiser): IE80, IE80S, IE8, IE8i, IE40, IE40PRO, IE400, IE500
• 0.78mm 2-Pin: KZ, CCA, TRN, TFZ (S2, KING, KING PRO, MY LOVE II), SIMGOT EN700, EM1–EM3, EN700PRO
• QDC / UE: Compatible with QDC and Ultimate Ears connectors

⚠️ Note: The 0.75mm 2-Pin version is only compatible with KZ, CCA, and TRN earphones. Please verify your earphone's connector type before ordering. Contact us with any questions prior to purchase.

Specifications

How to Reset the Cable

While charging, simultaneously long-press the MFB button and the Volume+ button for 10–15 seconds, then power the cable back on to restore factory settings.

For more information on wireless audio standards and Bluetooth technology, visit the NIST Bluetooth Security resource.

Frequently Asked Questions

Q: What audio codecs does the QCC5125 Bluetooth upgrade cable support?

A: This Bluetooth HiFi upgrade cable supports LDAC, aptX Adaptive, aptX HD, aptX, AAC, and SBC codecs, powered by the Qualcomm QCC5125 chipset for lossless and high-resolution wireless audio streaming.

Q: What earphone connectors is this Bluetooth upgrade cable compatible with?

A: This cable is available in multiple connector variants including 0.78mm 2-Pin, MMCX, UE, QDC, A2DC, IE80, and IE40 connectors, making it compatible with Shure, Sony, Sennheiser, Audio-Technica, KZ, TFZ, SIMGOT, TRN, CCA, and many other IEM brands.

Q: How long does the battery last on a single charge?

A: The dual 500 mAh battery system provides up to 45 hours of continuous playback. Charging is done via USB Type-C for fast and convenient recharging.

Q: Can I use this cable with my iPhone or Android smartphone?

A: Yes. This cable is compatible with virtually all smartphones. It supports Apple Siri and includes a built-in microphone for hands-free calls. For the best audio quality, use an aptX Adaptive, aptX HD, or LDAC-compatible Android device (such as the Xiaomi 10 series or Sony Xperia lineup).

Q: Does this cable support dual device connection?

A: Yes, the dual connection feature allows you to pair two Bluetooth devices simultaneously and switch between them seamlessly — ideal for managing calls from your phone while listening to audio from a tablet or laptop.