http://www.head-fi.org/t/780642/onkyo-d ... -android-5
Onkyo DP-X1 and Pioneer XDP-100R analog section differences:
Onkyo DP-X1:
Dacs: 2x ESS Sabre ES9018K2M
Amp: 2x ESS Sabre 9601K in BTL config and Active Control Ground (an industry first).
Outputs: Balanced 2.5mm, and Single ended 3.5mm.
Pioneer XDP-100R:
Dac: 1x ESS Sabre ES9018K2M
Amp: 1x ESS Sabre 9601K
Output: Single ended 3.5mm.
DP-X1 and XDP-100R have the same digital sections with industry leading performance:
Android 5.1.1 (Onkyo and Pioneer will have their own skins and apps though)
Snapdragon 801 2.36ghz Quadcore
4.7" 1280*720 HD screen (312 PPI)
2GB RAM
32GB internal storage
Dual Micro SD slots
Wifi, DLNA
Bluetooth AptX
Google apps, Spotify, Tidal, Deezer, etc
MQA Playback (an industry first)
PCM 384khz
DSD 256
Line Out
Digital Out (via usb, up to DoP DSD 256 and PCM 384khz)
usb OTG
Volume Knob with 161 steps for fine control
Sound Settings:
-11 Band Parametric EQ
-Upsampling up to 384khz (Mode and Limit options also)
-Real time conversion of PCM to DSD 128
-Digital Filters: Slow, Fast
-DSP
-L/R balance
Battery life 10 hours continuous
Machined Aluminium Unibody, Anodized Finish.
Weight: 203g
Dimensions(mm):128.9*75.9*12.7