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O-NOORUS D1 PRO Amplifier
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Accessories for this product
Find here a selection of useful and/or essential accessories for this product. These are specially selected by the Audiophonics team according to the characteristics of the product.
O-Noorus D1 Pro Class D Amplifier TPA3255 PFFB 2x90W 4 Ohm
The O-Noorus D1 Pro is a Class D amplifier based on a TPA3255 chip, OPA1656 op-amps, and a PFFB (Post Filter Feedback) architecture, allowing it to deliver up to 2x89W under 4 ohms (10% THD+N, with a 36V 5A power supply). The D1 Pro benefits from numerous operating modes and settings: high-pass filter, low-pass filter, and 3-band equalizer. In terms of connectivity, the D1 Pro includes the essentials with an RCA analog input and speaker terminal outputs, complemented by a subwoofer output for building a 2.1 channel system as well as a 3.5mm pre-out jack. The D1 Pro comes with a remote control and a 36V 5A power supply.
O-Noorus D1 Pro: PFFB TPA3255 circuit
The combination of the PFFB circuit, the TPA3255 chip, and OPA1656 op-amps Provides clean signal Processing and power up to 2x89W at 4 ohms. Furthermore, the OPA1656 op-amps are integrated in DIP8 format for easy replacement.
O-Noorus D1 Pro: 3-band EQ
The D1 Pro includes a 3-band tone control (Treble/Mid/Bass) for tailored sound adjustment. Each frequency band level is adjustable within a ±12dB range using the remote control.
O-Noorus D1 Pro: High-pass filter
The high-pass filter allows you to set the cutoff frequency of the signal at the D1 Pro speaker terminals. Available cutoff frequencies are 60Hz, 80Hz, 100Hz, and 120Hz, but it is also possible to bypass this function.
O-Noorus D1 Pro: Low-pass filter
The low-pass filter allows you to set the cutoff frequency of the LPF output for an active subwoofer. Selectable -3dB cutoff frequencies are 40Hz, 60Hz, 80Hz, or 100Hz.
Overview of the O-Noorus D1 Pro
| 1 | Subwoofer output |
| 2 | RCA Input |
| 3 | 3.5mm jack pre-out |
| 4 | Speaker terminal output |
| 5 | 24-48V Power Input via DC Jack |
Technical specifications
| Specifications | |
|---|---|
| Product type | Amplifier |
| Amplification type | Class D |
| Amplifier chip | TPA3255 |
| Op-amps | 2x OPA1656 (DIP8) |
| Inputs | 1x Stereo RCA |
| Outputs | Speaker terminals 1x Subwoofer output 1x 3.5mm pre-out jack |
| Output power | 2x 230W @ 4 ohm (48V 10A THD+N<10%) 2x 195W @ 8 ohm (48V 10A THD+N<10%) 2x 115W @ 4 ohm (48V 5A THD+N<10%) 2x 103W @ 8 ohm (48V 5A THD+N<10%) 2x 89W @ 4 ohm (36V 5A THD+N<10%) 2x 82W @ 8 ohm (36V 5A THD+N<10%) |
| THD | ≤ 0.005% |
| SNR | ≥ 91dB @ 4Ω, 1KHz, 5W |
| SINAD | 90dB @ 4Ω, 1kHz, 5W |
| Load impedance | 2-8Ω |
| Frequency response | 20Hz-20kHz |
| General | |
|---|---|
| Power supply | 24V-48V DC (36V 5A included power supply) |
| Dimensions | 120 x 170 x 38mm |
| Weight | 0.650kg |
| Color | Black |
| Package contents | 1x O-Noorus D1 Pro 1x Remote control 1x DC 36V/5A power supply |
| Input | RCA |
| Output | Jack 3.5mm |
| Output | Speaker terminal |
| Output | Subwoofer |
| Color | Black |
| Speaker Power (W RMS) | 90.0 |
| Channel | 2.1 |
| Class | Class D / T |
| Amplifier chip | TPA3255 |
| Remote Control | Yes |
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