Best Amp for HD650 – Top 5 Amps for Sennheiser HD650 (2021)


With the impressive specs that the Sennheiser HD650 boasts, you’d want a similarly impressive amplifier to get the best out of the headphones potential sound quality. Low-quality DACs and amps that are prevalent in home-systems or scattered around the market simply don’t do justice to these headphones.

Best Amp for HD650

Best Amp for HD650ImageScoreLink
FiiO K3 Type-C USB DAC Amp for HD650FiiO K3 Type-C USB DAC Amp for HD6504.6buy
LOXJIE P20 Full Balance Tube Amp
for HD650
LOXJIE P20 Full Balance Tube Amp for HD6504.6buy
Little Dot I+ 6JI Standard Amp
for HD650
Little Dot I+ 6JI Standard Amp4.4buy
Proster Hi-Fi Amp for HD650Proster Hi-Fi Amp for HD6504.2buy
Fosi Audio P2 Amp for HD650Fosi Audio P2 Amp for HD6504.3buy

Please scroll down to read all the detailed reviews and our personal favorites from the Top 5 best amps for HD650 available.

1. FiiO K3 Type-C USB DAC Amp for HD650

FiiO K3 Type-C USB DAC Amp for HD650This amplifier offers a modern input interface and the finest components for maximum sound potential.

Key Features: 

  • It boasts very high-quality components, like an XMOS chip, AKM DAC and low-distortion, professional grade op-amps for maximum performance.
  • The USB Type-C interface offers a more reliable and stable power connection.
  • It offers a very tactile experience with RGB light indicators and one-finger operated volume knob.
  • It boasts a very classy and robust all-aluminum body that provides a great feel.


2. LOXJIE P20 Full Balance Tube Amp for HD650

LOXJIE P20 Full Balance Tube Amp for HD650This product offers quality components and intuitive interfaces for the best possible sound.

Key Features: 

  • It uses military grade 6N3 electronic tubes and well-calibrated circuits.
  • It is a fully balanced headphone amplifier that comes with a balanced input interface.
  • It has a well-designed power supply circuit and a high-quality power adapter that supports up to 600 mW.
  • It uses a high-quality JRC55320 Operational amplifier.


3. Little Dot I+ 6JI Standard Amp for HD650

Little Dot I+ 6JI Standard AmpThis product is a hybrid transistor-vacuum tube amplifier.

Key Features: 

  • Its hybrid nature offers incredible versatility and sound quality
  • It has a very compact and conveniently tiny footprint.
  • Its suitable headphone Impedance ranges from an impressive 8-600 ohm.
  • It boasts a gold-plated RCA Stereo jack for input.


4. Proster Hi-Fi  Amp for HD650

Proster Hi-Fi Amp for HD650It is a hi-fi amp that can be used with many electrical appliances.

Key Features: 

  • It has a rechargeable 2400 mAh battery that can achieve from 8-16 hours of continuous use.
  • Its aluminum matte finish shields from signal interference and enhances heat resistance. 
  • It has a gain switch for matching sound output to the headphones power needs.
  • It is a very compact and lightweight product.


5. Fosi Audio P2 Amp for HD650

Fosi Audio P2 Amp for HD650It is a headphone amplifier designed for high fidelity headphones.

Key Features: 

  • It uses 2 6K4 J-Grade tubes that are designed for high performance headphones.
  • It can also be used as a Stereo preamp and has parallel 3.5 mm and RCA stereo inputs.
  • It comes in a small compact size with a built-in output protect circuit.
  • It has low ground noise to protect your headphones longevity.


My pick from all the products mentioned above is the FiiO K3 Type-C Amp, as it offers a combination of high-quality components for the hi-fi sound and a modern tactile design that improves the product’s reliability and versatility for your headphones. You can find the products link in table.

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