Apos Ensembles are equipment bundles that have been specially curated by our team of audio professionals. Just as an ensemble refers to a group of musicians playing together, each of our ensembles is a coordinated group of equipment that we’ve brought together to form a superior listening experience.

Meet the TOPPING-30 Pro Ensemble

The TOPPING-30 Pro Ensemble centers around the D30 Pro DAC and A30 Pro amp. The D30 Pro is a Quad DAC featuring four Cirrus Logic CS43198 chips. The A30 Pro amp is a fully-balanced headphone amp with 6 watts of power per channel and 145db of dynamic range. Connecting them is a two-core braided Fanmusic C006 XLR cable.

The TOPPING-30 Pro Ensemble Includes:

• DAC: Topping D30 Pro DAC
• Amp: Topping A30 Pro Headphone Amp
• Interconnection: Apos Flow XLR Cable

Spec Summary

Note: For full specs, please visit the individual product pages.

Topping D30 Pro DAC

• Input: USB/OPT/COAX
• Line Out: RCA/XLR
• USB In:
• PCM 32-bit/384kHz
• DSD256 (Native)
• THD+N: 0.00009%
• DNR: 132dB

Topping A30 Pro Headphone Amp

• 6W x 2 @ 16Ω output power
• Bypass output when power off
  Balanced input/output
• 3 Outputs: 4-pin XLR, 4.4mm, 6.35mm
• THD+N: <0.00006%
• Noise: <0.3uVrms
• Gain switch: Low (-14dB), Medium (0dB), High (+14dB)

Apos Flow XLR Cable

• Imported Japanese copper conductor
• 4-core audio wire
• A copper lattice braid with 94% density effectively shields the conductor from electromagnetic interference
• Each core made of 60pcs of 0.08mm copper wire
• Neutrik terminations

TOPPING SR2 Aluminum Rack (Add on)

• All-aluminum design
• Shock-absorbing, non-slip foot pads
• Excellent load-bearing capacity
• Modular (stack multiple SR2 units)