AUNE BU2 Manuale utente
BU2 便携音频解码播放器
/ User Manual
Dear Customers:
Thanks for purchasing the aune BU2 and congratulations on choosing this
high quality portable DAC with headphone amplifier.
We sincerely hope the BU2 will bring you excellent Hi-Fi experience.
Please read this user manual carefully before using the device.
Preface
BU2 at a Glance
1.2
2.1
3.1
1.1 2.5mm balanced headphone jack
2.1 Knob
3.1 USB charging port (Type-C)
Long press: power on/off
Short press: select item (volume/input/filter mode/battery)
Letters blink - turn the knob to change filter mode:
USB/Bluetooth icon blinks - turn the knob to change input
1.3
2.2
1.1
3.2Display screen side
1.2 Button
1.3 3.5 mm headphone jack
2.2 Display screen
3.2 USB DAC input (Type-C)
2
1
1
2
When playing - turn to adjust volume (clockwise: volume up)
Battery
SD
56
DAC with Headphone Amp
BU 2
Notes：
: Bluetooth : USB
aptx
Bluetooth protocol: aptX, aptX HD (”aphd”), AAC, SBC, etc.
SD, SE, SH, SI, SL, SU ,SC
2
1
The BU2 is a high-quality portable DAC
with headphone amplifier that can be
connected to a smartphone, a portable
music player or a computer via USB or
Bluetooth, and it can drive a wide range of
earphones.
USB input：
Maximum bit depth:32bit
Maximum sampling rate: 768k
Maximum DSD rate (native): DSD512
Output:
Output level: 1.8Vrms@3.5mm
3.6Vrms@2.5mm
THD+N: 0.000176%
SNR: -120dB
Frequency response (20Hz~40kHz): ±0.5dB
Output power: 2.5mm balanced 265mW@32Ω
3.5mm single-ended 100mW@32Ω
Dimensions: 126mm×65mm×18mm
Weight: 230g
Accessories: USB cable, Type-C to Type-C cable, 2.5mm (M) to 4.4mm (F) adapter,
quick start guide
Introduction Specifications
US B
US B
BU2
1.Set the BU2 to USB mode.
2.Connect the BU2 and a smartphone/DAP/computer via USB. Plug a pair of earphones into
the BU2’s corresponding output (2.5mm/3.5mm).
3. Play music on the connected smartphone/DAP/computer.
*Please rotate the BU2 volume knob to a low level before you start playing music.
* Different devices need corresponding cables. Please consult sales@auneaudio.com
O P E R A T I N G
INSTRUCTIONS
To Connect with a Smartphone or a Device with USB Output
* For Windows OS, please download the driver from the official website page:
http://en.auneaudio.com/Home/Article/lists/category/72.html
BU2
1. Set the BU2 to Bluetooth mode.
2. Turn on the Bluetooth transmitting function on the sound source Bluetooth device
(eg. a smartphone, an X5s Bluetooth edition) - Search for devices - Select “aune BU2”
from the available devices list - Bluetooth connection succeeded.
3. Plug a pair of earphones into the BU2’s corresponding output (2.5mm/3.5mm).
4. Play music on the connected sound source device.
*Please rotate the BU2 volume knob to a low level before you start playing music.
O P E R A T I N G
INSTRUCTIONS
To Connect with a Smartphone or a Device
With Bluetooth Transmitting Function
Telephone: +86-27-85420526 | Fax: +86-27-85840435 | www.auneaudio.com
aune | 430034 WUHAN | CHINA
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