ERCO fully balanced headphone DAC/AMP- The signal path is truly balanced from early D/A stage and becomes truly balanced using the RCA inputs. Improved I/V converter- The I/V converter stage has better overall performance and SERCE’s DSP engine provides oversampling using DDF preferred HQ Apodizing digital filter, which get the most out of the DAC chip almost emulating WANDLA performance.. Last but not least maximum resolution is now PCM 768kHz and DSD512. Improved DSP engine Improved Digital Filter (HQ Apodizing) Improved max resolution (768kHz/DSD512) Proprietary IC power amp design- Ultra-wideband ICs fine tuned for audio use to achieve the best possible analog quality. Proprietary optimized-for-audio digital inputs- Perfect mix of flagship Ferrum technology combined with high grade in house developed Digital to Analog conversion. Choose from three digital and one analog input. Proprietary optimized MQA rendering and decoding for ARM chip- Industry leading technology is applied. All digital ports are optimized for audio, MQA decoding and rendering is optimized for use with internal ARM chip. Proprietary 4-pin Ferrum connector for HYPSOS Balanced 4,4mm jack and unbalanced 6,35mm jack headphone outputs Balanced XLR and unbalanced RCA line outputs- Connect your favourite headphones to the balanced 4,4mm jack or unbalanced 6,35mm headphone jack outputs or powered loudspeakers on your desktop to the XLR or RCA outputs to perform to their max.