B3

blafili B3 – Professional Bluetooth 5.1 Music Receiver with ESS DAC & XLR Output

SKU: B3

Product Description

The blafili B3 is a professional‑grade Bluetooth 5.1 audio receiver designed for high‑resolution wireless music streaming into home audio systems, mixers, DJ setups and PA installations. Built around the Qualcomm QCC5125 chipset and ESS ES9018K2M DAC, the B3 delivers audiophile‑level performance with support for LDAC, aptX HD, aptX LL, aptX, AAC and SBC codecs.

With simultaneous active outputs—including balanced XLR, unbalanced RCA, optical and coaxial—the B3 integrates seamlessly into both consumer and professional audio environments. Its removable RP‑SMA antenna provides extended range up to 30 m, while customizable Bluetooth broadcast name and passcode options offer secure pairing for commercial installations.

The B3 also functions as a USB DAC (16‑bit / 48 kHz), automatically switching between USB and Bluetooth sources. Designed for audio contractors, installers and AV professionals, it solves wireless audio challenges quickly and reliably.

Key Features

• Bluetooth 5.1 receiver with LDAC, aptX HD, aptX LL, aptX, AAC and SBC

• Built‑in ESS ES9018K2M 32‑bit / 384 kHz DAC

• Qualcomm QCC5125 chipset for low latency and high stability

• Balanced XLR and unbalanced RCA outputs

• Digital optical and coaxial outputs (all outputs active simultaneously)

• Custom Bluetooth broadcast name and passcode options

• Up to 30 m (100 ft) wireless range with removable RP‑SMA antenna

• USB DAC mode (16‑bit / 48 kHz) for PC, laptop and tablet

• OLED display (1.34", 128 × 64 px)

• Aluminum + ABS enclosure

Specifications

Audio Performance

Frequency response: 20 Hz – 20 kHz Signal‑to‑noise ratio: > 112 dB THD: < 0.02% Output impedance: 57 Ω Output voltage: 2.1 V RMS

Bluetooth

Version: 5.1 + EDR Chipset: Qualcomm QCC5125 Receiver power: Class 1, 4 dBm Frequency: 2.4 – 2.480 GHz Range: Up to 100 ft / 33 m Sensitivity: –80 dBm @ 0.1% BER Supported codecs: LDAC, aptX HD, aptX LL, aptX, AAC, SBC, MP3

Analog Outputs

Balanced XLR (male): +4 dBu (+1 dB) Unbalanced RCA (female): –2 dBu (+1 dB)

Digital Outputs

Optical (TOSLINK) Coaxial (S/PDIF)

USB DAC Mode

Resolution: 16‑bit / 48 kHz Automatic switching between USB and Bluetooth playback

General

Power input: USB‑C, 5 V DC (adapter not included) Dimensions: 5.6 × 3.0 × 1.5 in Weight: 0.53 lb / 240 g Body material: Aluminum + ABS

What's in the Box

• blafili B3 receiver

• Removable Bluetooth antenna (RP‑SMA female)

• USB‑C cable (power adapter not included)

• Optical cable (3.28 ft)

• Setup guide

Identifiers

• SKU: B3

• Brand: blafili

• HS Code: 8517.62.00