Cowon iAudio A2

Cowon iAudio A2

Creative Zen Stone Plus Speaker

Creative Zen Stone Plus Speaker

Microsoft Zune 4 / 8

Microsoft Zune 4 / 8

Sony S710

Sony S710
General
Dimensions: 133.0 x 78.0 x 22.0 mm 55.6 x 35.7 x 17.5 mm 41.4 x 91.5 x 8.5 mm 47.4 x 84.6 x 16.2 mm
Weight: 293.0 g 21.0 g 48.2 g 52.0 g
Colors: White Black, Champagne, Blue, Pink Red, Green, Pink, Black Black, Red, Silver, Pink
Price: $250 / $320 $59.99 $150 / $200 $150 / $200
Storage
Memory Type: Hard Drive Flash Flash Flash
Capacity: 20GB / 30GB 2GB 4GB / 8GB 4GB / 8GB
Hard Drive Size: 1.8" N/A N/A N/A
Expansion Slot:
Screen
Display Type: LCD OLED LCD LCD
Display Size: 4" 1" 1.8" 1.8"
Display Resolution: 480x272 64x64 240x320 320x240
Display Color: 16.7m N/A 64k 262k
Touch Display: No No No No
TV Out: Yes No No No
Monochrone blue OLED screen
Supported Formats
Audio: MP3, WMA, FLAC, OGG, WAV MP3, WMA, AAC, WMA Lossless MP3, WMA, AAC MP3, WMA, AAC
Video: MPEG-1, MPEG-4, DivX, XviD, WMV N/A MPEG-4, H.264 MPEG-4, H.264
Photo: JPEG, BMP, PNG N/A JPEG JPEG
Other: TXT N/A N/A N/A
Linear PCM Audio
Battery
Battery Type: Non-Removable Non-Removable Non-Removable Non-Removable
Audio Life: 18.0 hours 20.0 hours 24.0 hours 33.0 hours
Video Life: 10.0 hours 0.0 hours 4.0 hours 8.0 hours
Controls
Control Type: Tactile Tactile Touch, Tactile Tactile
Dedicated Volume Buttons: No Yes No Yes
Recording
Video Recording: Yes No No No
Audio Recording Format: WAV, MP3 WAV N/A N/A
Audio Recording Options: Voice, FM, Line-in Voice N/A N/A
Accessories
Included Accessories: Carrying Case, Strap, CD-ROM, Earphones, AV Cable, USB Cable, Line-In cable, USB Host Cable Silicon skin w/clip, earbuds, USB cable Earbuds, Proprietary USB Cable Noise Canceling Headphones, Proprietary USB Cable, Dock Insert
Available Accessories: Cases, Car Chargers, Belt Clips, TV Tuner (DVB) Cases, speaker 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, Bluetooth Adapter
Music Browsing & Management
File Browsing: File Folder File Folder ID3 Tag ID3 Tag, File Folder
On-the-go Playlists: Yes No Yes No
On-the-go Deleting: Yes Yes No No
Bookmarks: Yes No No No
Folder browsing only, can't browse individual files
Data Transfer
Transfer Protocol: MTP/MSC User Select MSC MTP MTP
Connection Type: Standard USB Standard USB Proprietary Connection Proprietary Connection
OS Compatibility: Windows, Mac, Linux Windows, Mac, Linux Windows Windows
Wireless: N/A N/A Wi-Fi N/A
Audio
Audio Enhancements: Custom EQ, Preset EQ, BBE Custom EQ, Preset EQ Preset EQ Custom EQ, Preset EQ
Audio Features: Pan Volume Limiter N/A Volume Limiter
BBE, Mach3Bass, MP Enhance, and 3D Surround Bass boost DDSE Sound Enhancer, Dynamic Normalizer, Clear Stereo, Virtual Acoustic Sound Engine
Miscellaneous
Radio Band: FM FM N/A FM
Additional Features: Built in Speaker Internal speaker FM Radio has RDS The S720 is identical to the S610 but includes noise canceling headphones.
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