Cowon iAudio A2

Cowon iAudio A2

Microsoft Zune 4 / 8

Microsoft Zune 4 / 8

Sony A820

Sony A820

Sony S710

Sony S710
General
Dimensions: 133.0 x 78.0 x 22.0 mm 41.4 x 91.5 x 8.5 mm 50.2 x 93.9 x 9.3 mm 47.4 x 84.6 x 16.2 mm
Weight: 293.0 g 48.2 g 58.0 g 52.0 g
Colors: White Red, Green, Pink, Black Black, Pink Black, Red, Silver, Pink
Price: $250 / $320 $150 / $200 $270 / $320 $150 / $200
Storage
Memory Type: Hard Drive Flash Flash Flash
Capacity: 20GB / 30GB 4GB / 8GB 8GB / 16GB 4GB / 8GB
Hard Drive Size: 1.8" N/A N/A N/A
Expansion Slot:
Screen
Display Type: LCD LCD LCD LCD
Display Size: 4" 1.8" 2.4" 1.8"
Display Resolution: 480x272 240x320 320x240 320x240
Display Color: 16.7m 64k 262k 262k
Touch Display: No No No No
TV Out: Yes No Yes No
TV Out Requires Dock
Supported Formats
Audio: MP3, WMA, FLAC, OGG, WAV MP3, WMA, AAC MP3, WMA, AAC MP3, WMA, AAC
Video: MPEG-1, MPEG-4, DivX, XviD, WMV MPEG-4, H.264 MPEG-4, H.264 MPEG-4, H.264
Photo: JPEG, BMP, PNG JPEG JPEG JPEG
Other: TXT N/A N/A N/A
Linear PCM Audio Linear PCM Audio
Battery
Battery Type: Non-Removable Non-Removable Non-Removable Non-Removable
Audio Life: 18.0 hours 24.0 hours 33.0 hours 33.0 hours
Video Life: 10.0 hours 4.0 hours 9.0 hours 8.0 hours
Controls
Control Type: Tactile Touch, Tactile Tactile Tactile
Dedicated Volume Buttons: No No Yes Yes
Recording
Video Recording: Yes No Yes No
Audio Recording Format: WAV, MP3 N/A N/A N/A
Audio Recording Options: Voice, FM, Line-in N/A N/A N/A
Records with optional dock
Accessories
Included Accessories: Carrying Case, Strap, CD-ROM, Earphones, AV Cable, USB Cable, Line-In cable, USB Host Cable Earbuds, Proprietary USB Cable Premium Headphones, Headphone Extension Cable, Proprietary USB Cable, Dock Insert. *8GB version is bundled with Bluetooth headphones. Noise Canceling Headphones, Proprietary USB Cable, Dock Insert
Available Accessories: Cases, Car Chargers, Belt Clips, TV Tuner (DVB) Home A/V Pack, Dock Pack, Car Pack, Cable Pack, Premium Headphones, Leather Case, AC Adapter, Speaker Docks, Many other after market accessories. Cases, Docks, Speaker Docks Cases, Docks, Speaker Docks, Bluetooth Adapter
Music Browsing & Management
File Browsing: File Folder ID3 Tag ID3 Tag, File Folder ID3 Tag, File Folder
On-the-go Playlists: Yes Yes No No
On-the-go Deleting: Yes No No No
Bookmarks: Yes No No No
Data Transfer
Transfer Protocol: MTP/MSC User Select MTP MTP MTP
Connection Type: Standard USB Proprietary Connection Proprietary Connection Proprietary Connection
OS Compatibility: Windows, Mac, Linux Windows Windows Windows
Wireless: N/A Wi-Fi Bluetooth N/A
Audio
Audio Enhancements: Custom EQ, Preset EQ, BBE Preset EQ Custom EQ, Preset EQ Custom EQ, Preset EQ
Audio Features: Pan N/A Volume Limiter Volume Limiter
BBE, Mach3Bass, MP Enhance, and 3D Surround DDSE Sound Enhancer, Dynamic Normalizer, Clear Stereo, Virtual Acoustic Sound Engine DDSE Sound Enhancer, Dynamic Normalizer, Clear Stereo, Virtual Acoustic Sound Engine
Miscellaneous
Radio Band: FM N/A N/A FM
Additional Features: Built in Speaker FM Radio has RDS N/A The S720 is identical to the S610 but includes noise canceling headphones.
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