xDuoo MT-601 Tube Class-A Headphone Amplifier (Apos Certified)

$57.85 $89

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This is an Apos Certified product. That means it's refurbished, like new, eligible for our 45-day return policy, carries an Apos Certified One-Year Warranty, and ships from our US facility. Currently, Apos Certified products are only available to customers with a US shipping address. We appreciate your understanding as we aspire to expand our offerings to a broader audience in the future.

Time for a warm up

The xDuoo MT-601 combines the sumptuous warmth of a tube amplifier with the dynamics and speed of a transistor circuit for an amp that can handle any genre thrown its way. It’s a great purchase for anyone looking to pair the old-school tube sound to single-ended headphones, no matter their impedance. 

Class-A amplifier

The MT-601 is a class-A amplifier. Using simple circuits that draw the same amount of current and consume the same amount of energy whether receiving a signal or not, this is the most straightforward of amplifier types. It isn’t subject to electromagnetic interference caused by digital components, so its total harmonic distortion and signal-to-noise ratio are exceptionally low. 

Tube + Transistor

A common complaint about tube amplifiers is their lack of high frequency response and resolving power. To overcome this, xDuoo added a rear transistor circuit capable of large dynamics, high speed, and resolving power. Together, they offer the best of both worlds. 

Tubes will roll

Adventurous audiophiles will appreciate the ability to swap the stock tube for other tubes. Each tube has a different sound signature, adding or subtracting qualities like warmth, detail, and soundstage. It’s a fun way to play with the sound signature of a single amp, often for less than $30 a pop. Just be sure to find a reputable dealer of tubes before buying. 

Doubles as a preamplifier

The minimalist backplate provides only one RCA input and one RCA output. The latter can be used to connect the MT-601 to another amplifier or active speakers, affording either the sonic benefits of tube amplification. 

Product highlights

  • Tube + transistor power
  • Class-A amplifier
  • Allows for tube swapping
  • Amp can be used as preamplifier
  • Power supply: DC24/2A
  • Output power: 200mW (32Ω)
  • Dynamic range: 85dB (32Ω)
  • Frequency response: 10Hz-60kHz (+/-0.5dB)
  • Suitable headphone impedance: 16-600Ω
  • Gain: +18dB
  • Size: 4.7 x 3 x 1.5” (12 x 7.8 x 4cm)
  • Weight: 0.79lbs (0.36kg)
  • S/N: >100dB
  • THD+N: ≤0.01% (1kHz & 32Ω)

 What’s included

  • xDuoo MT-601
  • AC cable
  • Adapter
  • 6.35 to 3.5 converter
  • User’s manual
  • Warranty card
Apos Certified

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