Frequency Response Diagram of Curve 1.


(RX) LDAC frequency responseTest conditions: USB DAC input, -5dB sine signal,

20Hz-20kHz, line out (10KΩ load)

Frequency Response Diagram of Curve 2.

Test conditions: USB DAC input, -5dB sine signal,

20Hz-50kHz, line out (10KΩ load)

 

 

Distortion Diagram of Curve 3.

Test conditions: BT input(via aptX), -3dB sine signal,

20Hz-20kHz, line out (10KΩ load)

 

Distortion Diagram of Curve 2.

 

Test conditions: BT input(via LDAC), -3dB sine signal,

 

20Hz-20kHz, line out (10KΩ load)

Distortion Diagram of Curve 1.

Test conditions: USB DAC input, -3dB sine signal,

20Hz-20kHz, line out (10KΩ load)

General specifications
Name/Model BTA30 Pro Hardware solution DAC: ES9038Q2M，USB: XMOS XU208 , BT： CSR8675，DSP：CT7302EL
Color Black Volume Control Potentiometer(ADC Sampling)
Weight ≈145g FiiO Control Yes
Bluetooth connection indicator Yes Sampling rate indicator Yes
Firmware upgrade System firmware and Bluetooth version can be upgraded through USB Bluetooth receive （5.0） SBC/AAC/aptX/aptX HD/LDAC
Bluetooth transmit  SBC/aptX/aptX HD/aptX LL/LDAC Input source indicator USB IN/COAX IN/OPT IN/BYPASS separate indicator
Maximum supported sampling rate 384kHz-32bit/DoP256（USB DAC）
384kHz-24bit/DoP128（Coaxial）
96KHz-24bit（Optical）		 Bluetooth indicator(TX&RX)

SBC: Blue/ AAC: Teal/ AptX HD: Yellow/

AptX: Purple/ AptX LL: Green/ LDAC: White
Buttons and ports
Buttons Physical key + toggle switch USB Two-way TYPE C USB2.0 (Charging/Data transmisson)
Coaxial input RCA (input/output shared) Coaxial output RCA (input/output shared)
Optical input Optical fiber socket Optical output Optical fiber socket
Analog output(LO) RCA Headphone output /
Power supply specifications
USB power DC5V 2A（recommended） Battery capacity /
Audio parameters
USB DAC decoding- LO parameters
THD+N ＜0.001%(1kHz/10kΩ) SNR ≥118dB (A计权)
Crosstalk ≥112dB (1kHz/10kΩ) Floor noise ＜4μV（A计权）
Frequency response 5Hz~90kHz (-3dB) LO level 3Vrms (1kHz/10kΩ)
RX mode(LDAC)- LO parameters
THD+N ＜0.003%(1kHz/10kΩ) SNR ≥116dB (A计权)
Crosstalk ≥110dB (1kHz/10kΩ) Floor noise ＜5μV（A计权）
Frequency response   LO level 2.7Vrms (1kHz/10kΩ)
RX mode(aptX)- LO parameters
THD+N ＜0.046%(1kHz/10kΩ) SNR ≥116dB (A计权)
Crosstalk ≥110dB (1kHz/10kΩ) Floor noise ＜5μV（A计权）
Frequency response   LO level 3Vrms (1kHz/10kΩ)