Sony MDR-AS50G Active comparison

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Product name	Sony MDR-AS50G Active Close	Sony MDR-AS30G Active Style	Sony Active Style Close	Sony EX Active Style (Black)	Klipsch Image S4 Close
Price	$44 to $103 at 2 stores	$21 to $99 at 11 stores	$13 to $88 at 6 stores	$22 to $108 at 10 stores	$49 at 1 store
CNET editors' rating	4.0 stars Excellent Overall score: 8.0 (4.0 stars)	3.0 stars Good Overall score: 6.7 (3.0 stars)	3.0 stars Good Overall score: 6.0 (3.0 stars)	3.5 stars Very good Overall score: 7.0 (3.5 stars)	4.5 stars Spectacular Overall score: 9.0 (4.5 stars)
Average user rating	2.5 stars out of 36 reviews	3.0 stars out of 3 reviews	3.5 stars out of 7 reviews	2.5 stars out of 23 reviews	3.5 stars out of 291 reviews
Release date	March 25, 2008	March 31, 2008	March 15, 2008	March 25, 2008	April 02, 2009
The Bottom Line	The Sony MDR-AS50G Active Headphones offer an affordable price tag, a secure fit, and good sound quality--they're a fantastic option for gym addicts.	The Sony MDR-AS30G Active Headphones are a solid option for outdoor exercisers who don't demand superior audio quality during workouts.	The Sony MDR-AS20J Active Headphones are a suitable choice for MP3 player owners who simply want a more secure pair of earphones for the gym, but don't need better audio quality than that of stock earbuds.	The Sony MDR-AS40EX earphones are a good choice for fitness fiends with limited cash to spend and a preference for an earclip design.	The Klipsch Image S4 earphones offer up sound quality on par with and better than sets that cost many times as much; they are a spectacular choice for anyone looking for new earbuds.
Basic specs
Features	See What's the Same or What's different
Diaphragm Type	PET	PET	PET	PET	Info unavailable
Packaged Quantity	1	1	1	1	1
Sound Output Mode	Stereo	Stereo	Stereo	Stereo	Stereo
Connectivity Technology	Wired	Wired	Wired	Wired	Wired
Audio Specifications	Frequency Response 9 - 23000 Hz - Sensitivity 100 dB/mW - Impedance 16 Ohm	Frequency Response 14 - 23000 Hz - Sensitivity 106 dB/mW - Impedance 24 Ohm	Frequency Response 18 - 22000 Hz - Sensitivity 104 dB/mW - Impedance 16 Ohm	Frequency Response 10 - 23000 Hz - Sensitivity 100 dB/mW - Impedance 16 Ohm	- Sensitivity 110 dB/mW - Impedance 18 Ohm Frequency Response 10 - 19000 Hz
Recommended Use	Portable audio system	Portable audio system	Portable audio system	Portable audio system	Portable audio system
Headphones Type	Headphones - Binaural	Binaural	Headphones - Binaural	Headphones - Binaural	Binaural Headphones
Headphones Form Factor	- Behind-the-neck mount	Info unavailable	- Over-the-ear mount	- Convertible	In-ear
Product Type	Headphones - Wired	- Wired	Headphones - Wired	Headphones - Wired	- Wired Headphones
Product Description	Sony MDR AS50G - Headphones	Sony MDR AS30G	Sony MDR AS20J - Headphones	Sony MDR AS40EX - Headphones	Klipsch Image S4 - Headphones
Full specifications	Full specifications	Full specifications	Full specifications	Full specifications	Full specifications
Buying choices	Amazon.com Marketplace $44.99 In stock: Yes Price from 1 CNET Certified store	Buy direct from Sony Electronics, Inc. $29.99 In stock: Yes Kmart.com $29.99 In stock: Yes Sears $29.99 In stock: Yes Prices from 9 CNET Certified stores	Sears $13.99 In stock: Yes MacMall $19.99 In stock: Yes PC Mall $13.99 In stock: Yes Prices from 4 CNET Certified stores	TigerDirect.com $33.96 In stock: Yes TheNerds.net $39.99 In stock: Yes Datavision Computer Video $27.99 In stock: Yes Prices from 7 CNET Certified stores	Amazon.com Marketplace $49.89 In stock: Yes Price from 1 CNET Certified store
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