LE Audio Bluetooth USB Transmitter

Late at night, want to turn up the TV volume and enjoy a movie, but are worried about disturbing your family and neighbors? The audio cable in the conference room is loose and the meeting flow is interrupted? Or are you unable to hear the coach's instructions clearly during fitness and find it difficult to keep up with the team's rhythm?

These issues are common with older TVs, computers or car stereos, which often rely on wired connections and can be time-consuming and laborious to upgrade. Ordinary Bluetooth adapters are difficult to meet the stable needs of professional scenes.

With the growth and popularity of wireless audio demand, a stable, multi-functional and easy-to-integrate Bluetooth audio transmitter adapter has become an urgent need in the market. FSC-BP411 Bluetooth from Feasycom 5.4 The audio transmitter adapter uses Qualcomm QCC3086 chip, compact USB-A design, plug-and-play, and provides users with a seamless wireless audio upgrade experience.

1. One-click three modes, all-round connection

The core of FSC-BP411 is that it breaks away from the limitations of traditional transmitters that “can conquer the world in one mode”. It provides three modes to flexibly respond to various needs:

Classic Bluetooth mode: point-to-point connection, paired with a single audio receiving device, compatible with traditional Bluetooth audio protocols (A2DP/HFP), and widely adapted to various types of Bluetooth headsets and speakers.
BIS broadcast mode: one-way broadcast, based on Bluetooth LE Audio's broadcast synchronous streaming technology, to achieve one-to-many, low-latency audio synchronous distribution.
CIS low-latency mode: Bi-directional connection, establishing a stable, low-latency bi-directional connection between the transmitter and receiver.

2. Technical architecture

The stable experience of FSC-BP411 comes from the integration of core hardware and protocols:

Chip: Equipped with Qualcomm QCC3086 chip, with built-in antenna, the transmission power reaches +15dBm, and the transmission distance can reach up to 15dBm in an open environment. 70 m, with excellent anti-interference ability;
Bluetooth 5.4: Native support for LE Audio’s multi-device simultaneous broadcast(BIS), transmit high-quality audio more stably and synchronously one-to-many (unlimited quantity); natively supports LE Audio's low-latency audio connection (CIS), transmitting high-quality audio in a more stable and low-latency manner.
Sound quality and encoding: Supports LC3, SBC, aptX, aptX-HD, aptX-Adaptive, aptX-LossLess and other encoding formats. Among them, LC3 is the core codec of LE Audio, which has better sound quality at the same bit rate and is more suitable for voice and music transmission;
Plug and play and compatibility: USB-A driver-free design is compatible with mainstream operating systems such as Windows, Android, iOS, HarmonyOS, etc., reducing deployment and maintenance costs.

These technical details stem from the integration advantages of the product. For enterprises, this means simpler deployment, lower maintenance costs, and higher product reliability.

3. Core parameters

4. Application Scenarios: Solve the pain points of multiple industries

FSC-BP411 covers personal, commercial and professional scenarios, helping users get rid of wired constraints:

Individuals and families: Upgrade old TVs/desktop computers, BIS broadcast mode supports multi-headset synchronization for quiet shared viewing. Help the elderly with hearing loss to watch TV clearly by connecting hearing aids or Bluetooth headsets without disturbing neighbors.
Office and Commuting: Modify an old desktop computer or car stereo to support HFP protocol voice calls. CIS mode ensures delay-free transmission of conference microphones and is suitable for corporate conference rooms.
Business and education: Audio guides in museums and art galleries, or collective listening training in classrooms, can use BIS broadcast mode to achieve clear and stable directional audio distribution, avoiding signal interference and wiring troubles of wired systems.
Professional entertainment: Gamers can use CIS mode to enjoy ultra-low latency sound effects of less than 35ms, and short film creators can connect wireless microphones to simplify the post-production process.

FSC-BP411 is not just a simple accessory, but also an underlying upgrade of the "audio connection method". With minimal hardware changes, it unleashes the wireless potential of old equipment, making team collaboration smoother and business services more professional.

If you are looking for a stable, versatile and future-oriented wireless audio solution to meet the challenges of equipment upgrades, multi-person audio distribution or ultra-low latency transmission, then the FSC-BP411 will be an ideal choice worthy of further understanding and testing.