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DOUK AUDIO NS-14G PRO 2.1 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.
DOUK AUDIO NS-14G PRO 2.1 Amplifier TPA3255 Bluetooth 2x250W+300W 4 Ohm
The Douk Audio NS-14G Pro is a 2.1-channel integrated amplifier designed to drive a pair of passive speakers and a subwoofer. Fitted with two TI TPA3255 circuits, it delivers up to 250 W per channel and 300 W for the subwoofer, while maintaining harmonic distortion of 0.01 % and a signal-to-noise ratio of at least 108 dB.
Designed for stereo, home cinema and versatile audio setups, it combines Bluetooth, RCA and AUX inputs with outputs for speakers, subwoofer and auxiliary link. Its separate controls for bass, treble, volume and subwoofer gain make it easy to adapt to each configuration, while the dual power supply helps maintain stable operation during extended listening sessions.
Douk Audio NS-14G Pro: 2.1-channel amplification
The Douk Audio NS-14G Pro is a 2.1-channel integrated amplifier based on two TPA3255 chips. Combined with the 48 V / 5 A power supply, this amplification stage delivers up to 250 W per stereo channel and 300 W for the subwoofer, allowing it to drive most domestic passive speakers and subwoofers. This architecture also keeps harmonic distortion at or below 0.01 % and a signal-to-noise ratio of at least 108 dB, in order to maintain a clean signal when the amplifier operates at high levels.
Douk Audio NS-14G Pro: Bluetooth connectivity
The NS-14G Pro combines Bluetooth, RCA and AUX inputs, as well as AUX, speaker and subwoofer outputs. Its Bluetooth module based on the QCC304X chip supports the aptX and aptX-HD codecs, ensuring higher-quality wireless transmission while limiting power consumption and the risk of dropouts. This connectivity thus allows its integration into a stereo configuration with a subwoofer, from an analog, digital or mobile source.
Douk Audio NS-14G Pro: Fine control over sound rendering
The subwoofer is adjusted using dedicated controls for frequency, volume and gain, allowing its contribution to be matched to the level of the main speakers and the acoustics of the room. The master volume, bass and treble also feature separate controls, in order to adjust the tonal balance without changing the source configuration. This layout is suitable both for stereo listening and for an audiovisual setup requiring independent management of the low range.
Douk Audio NS-14G Pro: Backup power supply and cooling
To reinforce operational continuity, the NS-14G Pro integrates two power inputs: in the event of an insufficient or failing main source, the secondary power supply quickly takes over in order to maintain circuit activity and audio playback. Cooling relies on openings located on the sides and beneath the chassis, promoting the dissipation of the heat produced by the power stages. This dissipation limits the risks of overheating and distortion, while stabilizing the amplifier's behavior during extended listening sessions.
Douk Audio NS-14G Pro: Quality components
The design uses Rubycon filtering capacitors, Siemens coupling capacitors, a fully encapsulated potentiometer made in Taiwan and shielded copper inductors. These components contribute to power supply stability, the reduction of electromagnetic interference and the consistency of signal processing, while the ventilation and redundant power supply reinforce the reliability of the whole unit in daily use.
Technical specifications
| Specifications | |
|---|---|
| Product type | Integrated amplifier |
| Inputs | 1x stereo RCA 1x Jack 3.5mm Bluetooth |
| Outputs | 1x Jack 3.5mm Speaker terminals |
| Channels | 2.1 |
| SNR | ≥108dB |
| THD+N | 0.01% |
| Frequency response | 20Hz-20kHz |
| Amplification chip | 2x TPA3255 |
| Amplification type | Class D |
| Output power | 2x120W + 270W @4Ω 28V/5A 2x250W + 300W @4Ω 28V/10A 2x110W + 225W @6Ω 28V/5A 2x225W + 225W @6Ω 28V/10A 2x102W + 150W @8Ω 28V/5A 2x150W + 150W @8Ω 28V/10A |
| Input sensitivity | 2V |
| Subwoofer gain | ±4dB |
| Subwoofer cutoff frequency range | 50Hz-220Hz |
| Supported Bluetooth codecs | aptX aptX LL aptX HD SBC AAC |
| General | |
|---|---|
| Supply voltage | 24-48V DC |
| Dimensions | 155 x 125 x 42mm |
| Weight | 768g |
| Color | Black |
| Package | 1x Douk Audio NS-14G Pro 1x 48V/5A power adapter 1x Bluetooth antenna |
| Input | Jack 3.5mm |
| Input | RCA |
| Input | Bluetooth |
| Output | Speaker terminal |
| Output | Jack 3.5mm |
| Color | Black |
| Channel | 2.1 |
| Class | Class D / T |
| Amplifier chip | TPA3255 |
| Power (W) | 300.0 |
| Power (W) | 250.0 |
| Remote Control | No |
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