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Sony MDR-AS20J Active Headphones comparison

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Product name	Sony MDR-AS20J Active Headphones	Sony MDR-AS50G Active Headphones	Sony MDR-AS40EX Active Headphones	Sennheiser MX 75 Sport	Klipsch Image S4 earphones
Price	$9.30 to $20.82	$30.18 to $49.99	$25.23 to $39.99	$19.99 to $27.39	$79.00 to $79.99
CNET editors' rating	3.0 stars Overall score: 6.0 (3.0 stars)	4.0 stars Overall score: 8.0 (4.0 stars)	3.5 stars Overall score: 7.0 (3.5 stars)	3.5 stars Overall score: 7.3 (3.5 stars)	4.5 stars Overall score: 9.0 (4.5 stars)
Average user rating	3.5 stars	2.5 stars	2.0 stars	3.0 stars	4.0 stars
Release date	March 15, 2008
The Bottom Line	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-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-AS40EX earphones are a good choice for fitness fiends with limited cash to spend and a preference for an earclip design.	Workout enthusiasts with a penchant for bright green will be happy with these highly stable, excellent-sounding in-ear headphones.	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.
Similar Products	Compare more products	Compare more products	Compare more products	Compare more products	Compare more products
Response Bandwidth	18 - 22000 Hz	9 - 23000 Hz	10 - 23000 Hz	18 - 21000 Hz	10 - 19000 Hz
Headphones Form Factor	Over-the-ear	Behind-the-neck	Convertible	Ear-bud	In-ear canalphone
Sound Output Mode	Stereo	Stereo	Stereo	Stereo	Stereo
Connectivity Technology	Wired	Wired	Wired	Wired	Wired
Headphones Type	Headphones - Binaural	Headphones - Binaural	Headphones - Binaural	Headphones - Binaural	Headphone - Binaural
Product Type	Headphones - Wired	Headphones - Wired	Headphones - Wired	Headphones - Wired	Headphones - Wired
Recommended Use	Portable audio system	Portable audio system	Portable audio system	Portable audio system	Portable audio system
Product Description	Sony MDR AS20J - Headphones	Sony MDR AS50G - Headphones	Sony MDR AS40EX - Headphones	Sennheiser MX 75 - Headphones	Klipsch Image S4 - Headphones
Remote Control	Info unavailable	Info unavailable	Info unavailable	None	Info unavailable
Full specifications	Full specifications	Full specifications	Full specifications	Full specifications	Full specifications
Buying choices	TigerDirect.com $19.99 In stock: Yes Amazon.com $14.52 In stock: Yes Crutchfield $19.99 In stock: Yes Prices from 6 authorized stores	TigerDirect.com $49.99 In stock: Yes Amazon.com $32.49 In stock: Yes Abt Electronics $32.00 In stock: Yes Prices from 3 authorized stores	J&R Music and Computer World $39.00 In stock: Yes Amazon.com $28.75 In stock: Yes Prices from 2 authorized stores	TigerDirect.com $19.99 In stock: Yes Amazon.com Marketplace $27.39 In stock: Yes Prices from 2 CNET Certified stores	Amazon.com $79.99 In stock: Yes Amazon.com Marketplace $79.00 In stock: Yes SoundEarphones.com $79.00 In stock: Yes Prices from 3 CNET Certified stores
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