Feature

●With standard stereo RCA audio input, perfectly compatible with many audio devices such as phone,TV, MP3 players, CD players, DAC, computers etc.. With built-in preamplification circuit, can match well with audio source that with low signal output.
●Adopting classical TPA3116 IC chip in each channel, class D amplification, the max output power can reach 100W+100W(4Ω load), easily to drive all home bookshelf/ computer/ desktop/floor-standing/outdoor passive speakers.
●Reasonable circuit, concise wiring layout and perfect protection, no sparks no shock. Adopting NE5532 op amp with ultra-low distortion and dynamic balanced, the sound is very smooth and natural, powerful in low frequency and delicate in high frequency, full of music styles.
●Mini size with exquisite appearance, aluminum alloy black case looks fashionable and attractive. With strong output power and high-quality sound, exclusively designed for the customers who pursue HiFi sound, very suitable for home / office desktop audio system use.
●This is latest updated version that simplify the circuit, upgrade the components and greatly improve the sound quality.


Description

5 1 G3 NS-15G NS-01G PRO Nobsound TPA3255
Nobsound NS-04G PRO Nobsound NS-13G Douk Audio G3 Nobsound NS-15G Nobsound NS-01G PRO Nobsound TPA3255
Feature 2-CH digital power amplifier; 200W 2-CH digital power amplifier; 200W; Tone control 2-CH Bluetooth amplifier; 100W; Tone control 2-CH Bluetooth amplifier; 200W; Tone control 2-CH Bluetooth amplifier; 100W; PC sound card; Super mini size 2-CH Bluetooth amplifier; Super large 600W power
Max Power 100W x 2 100W x 2 50W x 2 100W x 2 50W x 2 300W x 2
Channel 2.0 2.0 2.0 2.0 2.0 2.0
Input RCA RCA Bluetooth 5.0 + 3.5mm AUX Bluetooth 5.0 + RCA Bluetooth 5.0 + 3.5mm AUX + USB Bluetooth 5.0 + RCA
Output Stereo Passive Speakers Stereo Passive Speakers Stereo Passive Speakers Stereo Passive Speakers Stereo Passive Speakers Stereo Passive Speakers
Tone Control ✓ ✓ ✓
THD ≤0.01% ≤0.01% ≤0.04% ≤0.01% ≤0.04% ≤0.01%
SNR ≥118dB ≥98dB ≥98dB ≥98dB ≥98dB ≥111dB
Speaker Impedance 4~8ohm 4~8ohm 2~8ohm 4~8ohm 4~8ohm 4~8ohm
Power Supply 19V 4.74A 19V 4.74A 19V 4.74A 19V 4.74A 12V 5A AC 100-240V
R1 P1 T3 PRO U3 U2 VU3
Douk Audio R1 Douk Audio P1 Douk Audio T3 PRO Douk Audio U3 Douk Audio U2 Douk Audio VU3
Feature Bluetooth receiver; USB DAC; 24Bit 192kHz Bluetooth vacuum tube preamp; Headphone amplifier; USB DAC; APTX-HD; Tone control MM phono preamp; Vacuum tube; Audio Preamp Headphone amplifier; Classic; Mini size USB to Toslink optical & coaxial converter; Digital interface; XMOS XU208 Analog VU meter; 2-Way audio switch
G4 PROG4 PRO

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