O-NOORUS D1 is a TPA3255 PFFB Power Amplifier for Passive Speakers that Features a stereo 300 watt x2 power output. Pre-out and Subwoofer changes with the master volume.

Subwoofer cutoff frequency 80Hz.

In order to meet different needs, D1 has two modes: BP (Treble/bass is bypassed) and T&B (Treble/bass is connected).

But D1 only has RCA input.

Volume/treble/bass/color/brightness are controlled by remote control.

D1 introduction:

The D1 is a pure Class D amplifier. Adopts TPA3255 PFFB architecture.Active subwoofer output for creating a 2.1 channel Hi-Fi installation.

The subwoofer's 80hz cutoff frequency output makes it the ideal amplifier for users seeking deep, powerful bass, whether for a music listening experience or a 2.1-channel Hi-Fi TV listening experience.

In T&B mode, the NJW1194 chip not only controls the output volume, but also controls the gain of treble and bass within a range of +/-10db.

Overall, this is a pure amplifier that focuses on sound quality and delivers great performance at an affordable price.

Specifications：

 Model: D1 THD: ≤ 0.01% 

SNR: ≥ 109dB

Input Mode: RCA

Power Supply: 36V/5A

Working Voltage: 24V~ 50V

Max Power Output: 300W + 300W @4Ω

Terminating Impedance: 2-8Ω

Freq. Range: 20Hz - 20kHz

Remote Control Dist.: Up to 25ft

Output Mode: Passive speakers/Active subwoofer/Pre-out

Package Include:

O-NOORUS D1 Amp；
Remote；
User Manual 
36V5A Power supply