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The Aoshida BLAD-S5 Bluetooth / FM receiver is a device featuring many high-quality components. It incorporates a Qualcomm QCC5125 Bluetooth receiver chip, an ES9038 DAC chip, as well as OPA1656 and a CS8406 SPDIF converter. The QCC5125 Bluetooth 5.1 receiver chip supports the following high-definition Bluetooth codecs: aptX, aptX Adaptive, aptX HD and LDAC (990kpbs - 24bit/96kHz). The ES9038 DAC chip and CS8406 SPDIF interface ensure digital-to-analog signal conversion for lossless wireless reception. Several analog and optical/SPDIF outputs are available: stereo RCA, coaxial SPDIF and Toslink optical. This device also offers the possibility of enjoying FM radio and USB DAC use via its USB-C input/power port. A large LCD display and a control interface with numerous buttons make for easy navigation, and display a wide range of information on the BLAD-S5's current playback and operating mode.

The QCC5125 Bluetooth receiver chip offers a new level of high-definition wireless reception, enabling the Aoshida BLAD-S5 to support the following high-definition codecs: aptX, aptX Adaptive, aptX HD and LDAC. In particular, LDAC enables wireless transmission superior to CD quality, with a sampling rate of up to 24bit 96kHz and a transmission speed of up to 990kpbs.

The Aoshida BLAD-S5 is more than just a Bluetooth receiver: it also features FM reception, so you can enjoy your favorite radio stations. FM transmission is also possible over a range of up to 20m.


Converts Bluetooth or USB digital streams to the BLAD-S5's analog RCA output.

Converts digital signals to the BLAD-S5's SPDIF coaxial and Toslink optical outputs.

These OPAs deliver excellent performance, with good dynamic range and low distortion, for quality sound reproduction at the BLAD-S5's outputs.
A large 2.4" LCD screen displays a wealth of information, making navigation and control of the BLAD-S5 simple and intuitive. The user experience is further enhanced by an IR remote control.


| 1 | IR receiver |
| 2 | Bluetooth antenna |
| 3 | Display |
| 4 | Control buttons |
| 5 | Stereo RCA output |
| 6 | SPDIF coaxial output |
| 7 | FM antenna connector |
| 8 | Toslink optical output |
| 9 | Bluetooth antenna connector |
| 10 | USB-C DAC input / Power port |
Technical characteristics
| Specifications | |
|---|---|
| Product type | Bluetooth receiver / FM radio |
| Bluetooth chip | QCC5125 |
| DAC chip | ES9038 |
| SPDIF interface | CS8406 |
| OPAs | OPA1656 |
| Inputs | 1x USB-C Bluetooth FM radio |
| Outputs | 1x RCA analog stereo 1x Coaxial SPDIF 1x Optical Toslink FM radio |
| Supported Bluetooth codecs | SBC, AAC, aptX, aptX Adaptative, aptX HD, LDAC |
| Bluetooth range | 10m unobstructed |
| Distorsion | 0.07% |
| SNR | ≥ 98dB |
| Input sensitivity | 0dBFS |
| Output amplitude | 2.5Vrms |
| Frequency response | 20Hz-20kHz (+/-1dB) |
| IR Remote control | |
| General | |
|---|---|
| Power supply | 5V/1A DC via USB-C (do NOT use fast-charge adapter) |
| Dimensions | 89 x 125 x 54mm |
| Gross weight | 0.78kg |
| Color | Black |
| Package | 1x Aoshida BLAD-S5 1x Bluetooth antenna 1x FM antenna 1x Toslink optical cable 1x USB-A to USB-C cable |
| Input | Bluetooth |
| Input | USB |
| Input | FM |
| Output | RCA |
| Output | Modulation FM |
| Output | Optical Toslink |
| Output | Coaxial SPDIF |
| DAC / ADC Chip | ES9038Q2M |
| Color | Black |
| Transmission / Reception protocol | UHF/RF |
| Transmission / Reception protocol | Bluetooth |
| Supported Bluetooth codecs | aptX |
| Supported Bluetooth codecs | aptX Adaptive |
| Supported Bluetooth codecs | AAC |
| Supported Bluetooth codecs | aptX HD |
| Supported Bluetooth codecs | LDAC |
| Supported Bluetooth codecs | SBC |