Onkyo Introduces The DP-S1 Digital Audio Player


Onkyo recently announced their new digital audio player, “rubato” DP-S1. It is more compact than the Onkyo DP-X1 model. The DP-S1 is milled from a solid block of aluminium (for durability and rigidity) and boasts Dual ESS SABRE Digital to Analogue converters (ES9018C2M) as well as 16GB of internal memory that’s expandable to 416GB made possible with twin side-mounted MicroSD card slots. The Onkyo DP-S1 is available for sale at Stereo, Zeppeline and Anson Audio, and is retailing at $699.



Power Output150 mW + 150 mW (Balanced, 32 Ohms)
75 mW + 75 mW (Unbalanced, 32 Ohms)
Total Harmonic DistortionLess than 0.006 %
Signal-to-Noise Ratio115 dB
Frequency Response20 Hz – 80,000 Hz
Headphone Impedance16 Ohms – 300 Ohms (Unbalanced)
32 Ohms – 600 Ohms (Balanced)
DAC Section
Maximum Resolution192 kHz/32-bit
Clock MechanismDual Clock (44.1 kHz/48 kHz)
Power SupplyInternal Rechargeable
1,630 mAh Lithium-ion Battery
Dimensions (W x H x D)63 x 94 x 15 mm (2.5” x 3.7” x 0.6”)
Weight130g (4.59 oz.)
Outer Carton (20 units per carton)

Dimensions (W x H x D)



518 x 208 x 178 mm (20.4” x 8.2” x 6.9”)

6.0 kg (13.2 lbs.)

Single Carton

Dimensions (W x H x D)



125 x 140 x 39 mm (4.9” x 5.5” x 1.5”)

270 g (9.5 oz.)

Supplied Accessories
Micro USB to USB Type-A cable x 1
Screen protector films x 2
Quick Start Guide
Safety information and precautions x 1
Instruction booklet


[DP-S1 features]

  • Audiophile Performance in a Compact, Portable, Practical Player
  • Twin SABRE ES9018C2M Digital-to-Analog Converters for Precision Hi-Res Audio Playback
  • Twin SABRE ES9601K Amplifiers to Drive 16–600 Ohm Headphones
  • Dual Clocks Automatically Detect 44.1 kHz and 48 kHz Signals to Assure Superior Timing Accuracy
  • Dual Headphone/Line Outputs for Balanced and Unbalanced Audio
  • Symmetrical Channel Layout Equalizes Signal Paths to Minimize Stereo Errors
  • Isolated Audio Circuit Design Minimizes Electrical Interference from Power Circuits
  • Supports Balanced Audio Output in Bridge-Tied Load (BTL) and Active Control Ground (ACG) Modes Employing Twin DACs and Amps
  • Solid Aluminum Casing
  • Bright, Scratch-resistant 2.4-inch 320 x 240-pixel Touchscreen
  • Original User Interface Provides Fast and Intuitive Access to Music
  • Dual-band 5 GHz/2.4 GHz Wi-Fi® Enables Music Streaming from TIDAL and TuneIn*1
  • Bluetooth® Wireless Streaming Technology Plays to External Receivers (Profile: A2DP/AVRCP, Codec: SBC)
  • Supports MQA Hi-Res Audio Format*2
  • 192 kHz/32-bit Upsampling Mode Enhances Lower-resolution Audio Files
  • 16 GB Internal Memory Expandable to 416 GB with micro SD Cards*3
  • Long-life Rechargeable Battery Returns Up to 15 Hours Playback*4
  • Control Playback from Smartphone with Onkyo DapController App*5
  • External Metal Volume Wheel and Playback Control Buttons
  • 32-bit DSP Provides Fast, Efficient, and Stable Operation
  • Firmware Updates via Wi-Fi


  • Supports DSD 5.6 MHz/2.8 MHz, DSD-IFF, FLAC, ALAC, WAV, AIFF (Maximum 192 kHz/32-bit), AAC, and MP3
  • Balanced Audio Output via 2.5 mm (3/32˝) 4-Pole Headphone/Balanced Line Output for Compatible Headphones and External Components
  • 2-bit Upsampling Modes for 88.2 kHz/176.4 kHz (44.1 kHz Signals) and 96 kHz/192 kHz (48 kHz Signals)
  • Three Selectable Digital Filters to Suit Music Style (Sharp/Short/Slow)
  • Seven-step Lock Range Adjustment (Wide/Normal/Narrow) Customizable for Phase-Locked Loop Timing
  • 10-band Equalizer with 6 Factory Presets and 3 Customizable Presets
  • Three-step Gain (Low/High/Normal) to Drive Low and High Impedance Headphones of Any Type
  • On-the-Go Playlist Creation Function, Skip/Scan, Play/Pause, Shuffle, and Repeat Functions
  • Sort By Artist, Album, Song, Playlist, Genre
  • Album Art Display, Song Information, and Audio File Information
    • Gold-plated 2.5 mm (3/32˝) 4-pole Headphone/Balanced Audio Line Output Terminal for Bridge-Tied Load (BTL) and Active Control Ground (ACG) Modes
    • Gold-plated 3.5 mm (1/8˝) 3-pole Headphone/Unbalanced Line Audio Output Terminal
    • Micro USB Terminal for Recharging and Data Transfer via Onkyo X-DAP Link Software for Windows® PCs*6
    • Dual micro SD card Slots

*1 Addition of streaming service apps is planned with a future firmware update. *2 MQA support enabled with future firmware update. *3 Compatibility testing with 256 GB micro SD Cards is undergoing confirmation. *4 Playback at 32 ohms with 96 kHz/24-bit Hi-Res Audio. Individual results may vary with environmental and usage conditions. *5 Check App Store or Google Play for device and OS requirements. *6 Available for free download. Please consult Onkyo website for details.


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