Little Dot I+ WE408A X2 Tube Hybrid Headphone Tube Amplifier

SKU: FM073
Price: US$ 209.98
In Stock - Shipping within 48 hours Worldwide Free Shipping
  • A hybrid transistor-vacuum tube headphone amplifier
  • Offers versatility and incredible sound quality in a tiny footprint
  • Specifically designed and optimized for driving low impedance headphones
  • Combines the smooth, musical sound of tubes with the high output current of transistors


The Little Dot I+ is a hybrid transistor-vacuum tube headphone amplifier, which combines the smooth, musical sound of tubes with the high output current of transistors. The vacuum tube stage is run in Class-A, the MC33078 operational amplifier (socketed) provides voltage amplification, and BD139/BD140 transistors serve as output buffers. 

Technical Specifications:

Input:Gold-Plated Unbalanced Phono (RCA) Jacks
Output:1/4" Gold-Plated Stereo Headphone out
Tube:408A X2
Frequency Response: 10HZ - 50KHz (-3 dB)
0.2%: 1Vrms @ 1000Hz
0.6%: 3Vrms @ 1000Hz
1.0%: 5Vrms @ 1000Hz
Signal-to-Noise: 92dB
Suitable Headphone Impedance: 8 - 600 ohms
Input Impedance: 50K ohms
Power Output:
150mW @ 300 ohms
300mW @ 120 ohms
800mW @ 32 ohms
User variable gain settings: 6.5x or 3.25x
Power Consumption: 15VA
Metric: 180mm (L) by 97mm (W) by 100mm (H)
English: 7.08 inches (L) by 3.81 inches (W) by 3.93 inches (H)
Weight: 1.5 kg or 3.3 lbs.
Available in Black
Available in either 120VAC or 220VAC
1 Year Little Dot Warranty

Customer Questions & Answers

No questions asked yet

Daily Deals