Description:

O-NOORUS D3 is a Bluetooth 5.0 audio amplifier for passive speakers that features a stereo 300 watt x2 power output. D3 is a 2.1 channel power DAC amplifier which is equipped with Bluetooth, USB, coaxial, optical, and 3.5mm aux input. Volume/input/treble/bass/color/brightness are controlled by remote control or knob.

D3 introduction:

The D3 is a powerful and extremely compact Class D amplifier. Integrates five kinds of input, bluetooth, USB, optical fiber, coaxial, AUX.
Active subwoofer output that can be used to create a 2.1 channel Hi-Fi installation. Its subwoofer output makes it the ideal amplifier for users looking for deep, powerful bass, whether for a music listening experience or a 2.1 channel Hi-Fi TV 
The advantage of this amplifier is to provide USB-C input with Realtek ALC4050 audio driver, support OTG audio, 32bit 384Khz. 
Bluetooth, coaxial and optical fiber signals are converted and output by CS8422 to D/A ES9023P for decoding. 
The NJW1194 chip not only controls the output volume, but also controls the gain within +/-10db range of treble and bass. 
The Qualcomm 32-bit QCC3034 Bluetooth receiver chip lets you use multiple audio sources wirelessly and utilizes high-definition Bluetooth transmission codecs such as aptX and aptX HD. 
Overall, this ultra-compact amp focuses on the essentials and delivers great performance at an affordable price.

Specifications：

Model: D3 
THD: ≤ 0.001%
SNR: ≥ 108dB
SINAD: 89dB
Input Mode: Bluetooth5.1/USB/Optical/Coaxial/3.5mm AUX
Bluetooth Name: “ONOORUS BT5.1A”
Bluetooth Transmission Distance: Up to 60ft
Power Supply: 36V/5A
Working Voltage: 24V~ 50V
Max Power Output:300W + 300W @4Ω
Terminating Impedance: 2-8Ω
Frequency Range: 20Hz - 20kHz
Remote Control Distance: Up to 25ft
Output Mode: Passive speakers/Active subwoofer 
USB Input Sampling Frequency: 32Bit/384kHz,Win10/Win11/MAC/Linux
Optical/Coaxial Input Sampling Frequency: 24Bit/192kHz