Apos TOPPING-DX3 Pro+ Ensemble

$617.49 $698

Request A Headphone Pairing

Ensemble, assemble!

Apos Ensembles are the Avengers of audio gear—bundles assembled by our team of audio dorks to save your ears from the forces of mediocre sound. Each bundle is like a squad of supers, with every piece of equipment playing its part to deliver an unbeatable listening experience: a DAC to decode the 1s and 0s, an amp to power up the audio, and all the interconnections necessary to bring the team together.

Meet the TOPPING-DX3 Pro+ Ensemble

The Apos TOPPING-DX3 Pro+ Ensemble is a bundle designed to provide you with a premium audio setup straight out of the box. At the heart of this ensemble is the TOPPING DX3 Pro+. Choose to pair it with one of the following headphones: 

The Apos Caspian Open-Back Headphone features 50mm Kennerton dynamic drivers for a vibrant, immersive sound with deep, controlled bass and clear midrange. It includes hand-stitched sheepskin ear pads, handmade oak ear cups, and a lightweight yet durable headband for comfortable, extended listening. The Caspian is designed to be driven without an amplifier and uses secure 4-pin mini-XLR connectors.

The HIFIMAN Sundara Planar Magnetic Headphones feature an ultra-thin diaphragm for detailed and lifelike audio reproduction, with a frequency response of 6Hz-75kHz. Constructed from lightweight aluminum, they offer durability and comfort for extended wear, weighing just 13.1 ounces. The headphones also include a hybrid headband design to prevent pressure points, making them ideal for long listening sessions.

Products in this bundle


  • ESS ES9038Q2M DAC chip
  • LDAC audio
  • THD+N: 0.00015%
  • DSD512
  • PCM768kHz
  • XMOS XU208
  • Built-in NFC headphone amp
  • Remote control


  • Frequency Response: 6Hz - 75kHz 
  • Impedance: 37 ohms 
  • Sensitivity: 94db 
  • Weight: 13.1oz (372g)
  • Cable Length: 1.5m
  • Headphone Connectors: 3.5mm 

Apos Caspian

  • Fun-sounding, non-fatiguing for marathon sessions
  • 50mm dynamic driver
  • Open-back
  • All-natural oak earcups sourced from the North Caucasus mountains
  • Inch-deep sheepskin ear pads with acoustic memory-foam inner filling.
  • Stainless steel yoke and headband
  • Natural leather headband for all-day comfort 
  • Aluminum alloy grille
  • Graphene-coated multilayered composite membrane with variable thickness
  • CCAW coil (aluminum core coated with oxygen-free copper)
  • Internal litz wiring
Apos Ensemble

Recently viewed