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Mini Electronic Tube Headphone Power Amplifier 6N3 Electronic Tube 1100mW Output Power HIFI Headphone Amplifier NE5532P

Mini Electronic Tube Headphone Power Amplifier 6N3 Electronic Tube 1100mW Output Power HIFI Headphone Amplifier NE5532P

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Specifications

Brand Name
Nobsound
Output Type
LINE OUT (AUDIO OUT)
Built-in Battery
No
Recommended Headphone Maximum Impedance
501 - 600 Ohm
Input Type
LINE IN (AUDIO IN)
Origin
Mainland China
High-concerned chemical
None
DSD (Direct Stream Digital)
No
Body Material
Metal
Dimensions (WxHxD)
75*90*60mm
Channels
2 (2.0)
Operational Amplifier Chips Model
NP5532P
Signal To Noise Ratio
110
Bluetooth
No
Type
Mini Amplifier
WIFI
No
Model Number
D2
Package
YES
Certification
CE, FCC, KC
PCM
No
Choice
yes

Product Description

D2 small mini tube bile amp HiFi fever pre-headphone power amplifier


Product Description

1: Using Beijing classic high-quality 6N3 electronic tube, the sound of this machine is atmospheric, the sound field is open, soft and smooth, especially suitable for vocals, string music, light music, classical music and other music. Delicate high frequency and powerful low frequency.

2: Super mini size and exquisite appearance, looks elegant and charming, aluminum alloy chassis, with power indicator and volume control, easy to use, very suitable for your desktop or smaller space in your home or office.

3: D2 adopts the design concept of pre-stage tube and rear-stage transistor. The pre-stage adopts tube amplification, so that the input sound signal has good sound performance and high dynamic range, and has the characteristics of natural and realistic sound. The rear stage adopts TI's NE5532P operational amplifier. The output, speed and power of the sound signal are guaranteed, combining the advantages of both amplification technologies.

4: D2 small miniature tube amp, using a specially designed low-noise power supply circuit, truly realizes the low noise floor of this machine.



Product parameters

Model: D2
Signal-to-noise ratio: ≥110dB
Frequency response: 20Hz-30KHz
Output power: ≥1100MW (32Ω)
Adapter headphone impedance: 18-600Ω
Total harmonic distortion: <0.005%
Packing list: main unit*1, electronic tube*1, power supply*1, manual*1

Pros & Cons

Pros

  • Warm 6N3 tube sound with open sound field for vocals/classical
  • High 1100mW output powers 600 Ohm headphones
  • Compact 75x90x60mm metal build
  • Excellent 110dB SNR for clean HiFi audio

Cons

  • No Bluetooth or wireless features
  • Tubes may require periodic replacement
  • No built-in battery, needs constant power
  • Limited to 2-channel stereo

Common Questions

What materials are in this mini tube headphone amplifier?

Metal body, 6N3 electronic tubes, NE5532P op-amps for HiFi audio.

What are the dimensions and output power of this amp?

75x90x60mm size, 1100mW output, suitable for 501-600 Ohm headphones.

Is this amplifier compatible with high-impedance headphones?

Yes, drives up to 600 Ohm headphones via LINE IN/OUT, SNR 110dB.

How do I use this 6N3 tube headphone amp?

Connect audio source to LINE IN, headphones to output; ideal for vocals, strings, classical music.

What certifications and shipping for this mini amp?

CE, FCC, KC certified; package includes amp, ships from Mainland China.

Product information last updated on January 16, 2026