Testing THD and Frequency Response of BEB1 Bluetooth/USB to Optical/Coaxial/Analog Decoder with AP
WONDOM BEB1 is a versatile device with Bluetooth and USB audio inputs, analog, coaxial, and optical outputs. It converts Bluetooth to analog/optical/coaxial and USB to analog/optical/coaxial, providing great value.
The upgraded QCC5171 Bluetooth module enhances connection stability and audio transmission efficiency. The WM8804 module uses advanced jitter suppression PLL technology, delivering high-quality audio playback with reduced jitter. The ES9018K2M audio DAC provides a dynamic range of 127dB and exceptional THD+N performance.
For audio inputs, the BEB1 supports Bluetooth and USB with aptX-HD, LDAC, SBC, AAC, and aptX, at 24-bit 96kHz and up to 990kbps. An external Bluetooth antenna extends the range to 50 meters. The USB Type-C interface serves as a power connection and a USB UAC 2.0 sound card input.
In this video, we tested the frequency response of BEB1 with AP515 and AUX0025under SBC, aptX, aptX-HD, aptX-LL and LDAC codec. In LDAC format, the frequency response curve exceeds 24kHz.
Tested with LDAC codec at 96kHz sampling rate, playing 1kHz sine wave, THD+N performance is only 0.008%
BEB1 Product Link: https://store.sure-electronics.com/pr...
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The sound of this video uses Ondoku .