O-Noorus D1: Class D amplifier equipped with everything you need

The O-Noorus D1 amplifier is based on PFFB (Post Filter FeedBack) architecture and a TPA3255 amplifier chip coupled with two NE5532 OPAs, allowing it to deliver up to 2x 250W @ 4 Ohms (1% THD+N, when supplied at 50V).

Connections

Connectivity-wise, the D1 has everything you need: analog RCA input and speaker output, as well as a subwoofer output for a 2.1-channel system and a 3.5mm jack pre-out. The subwoofer output has a cutoff frequency of 80 Hz, which provides deep, exciting bass.

Features

This O-Noorus amplifier operates in two different modes: BP (ByPass) and T&B (Treble & Bass). ByPass mode, as the name suggests, does not allow volume control, so the amp will run at full power, while T&B mode allows volume control, as well as treble and bass control within a -/+10dB range thanks to the NJW1194 volume control chip. An infrared remote control completes the package, providing an optimal user experience.

Specifications

• Amplification Type: Class D
• Amplification chip: TI TPA3255
• Operational Amplifiers: 2x NE5532
• Input: 1x stereo RCA
• Outputs: Speaker terminals, 1x subwoofer, 1x 3.5 mm pre-out
• Output power: 2x 250 W at 4 ohms (1% THD+N, with 50V supply)
• Harmonic Distortion (THD): ≤ 0.01%
• Signal to Noise Ratio (SNR): ≥ 109 dB
• Load resistance: 2-8 ohms
• Frequency range: 20 Hz – 20 kHz
• Remote control range: 25 m
• Power supply: 24V-50V DC (36V/5A power supply included)
• Dimensions: 120 x 170 x 38 mm
• Weight: 0.650 kg

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