Noise Cancelling   Stereo Full Size   Wireless Headphones   AKG Headphones   Beyerdynamic   Etymotic Research   Koss Headphones   Sennheiser Headphones   Shure Headphones   Skullcandy Headphones   Sony Headphones   Stanton Headphones   Ultimate Ears   Ultrasone Headphones   Bluetooth   Earphones   Computer Headphones   Gaming Headphones   Ipod - Mp3 Headphones   Waterproof   Accessories    Headphones Home >> Etymotic Research >> Etymotic Research ER-4 Enlarge Retail Price : $329.95 Your Price : $299.95 Quantity : Etymotic Research ER-4     What a Great Headphone... Given a 5 star rating by PC Magazine! Like all our headphones at HeadphoneWarehouse.com, these are highly rated by users just like you! These passive MicroPro earphones will give you noise isolation with "great" sound! Require no batteries by providing passive noise reduction using the in-canal earphone style Work great with any audio source...Ipod, MP3 player, portable CD players and with any home stereo system Included in package are: 5 ft. cord, 1/4 Inch Phone Adapter, Six 3-Flange Eartips, 10 Foam Eartips, Filter Changing Tool, 4 Filters, Shirt Clip, Pouch, Storage Box. Use these when you want great sound for mixing, monitoring and critical listening. They'll give you accurate real-ear response and unsurpassed isolation from outside sounds along with enhanced sensitivity and bass Standard Warranty 90 Day(s) Additional Warranty Information Warranty extended to 2 years with online registration   Noise Isolation: 35-42 dB Frequency response: 50-10 kHz ± 2 dB; 20-16 kHz ±4 dB 1 kHz sensitivity 108 dB SPL for a 0.2 V input (102 dB @ 0.1 V; 106 dB @ 1mW) Impedance: 27 Ohms nominal Weight: less than 1 oz. Maximum output: 122 dB SPL Maximum continuous input: .75 Vrms Transducer type: balanced armature Transparent, reference-quality sound   More Pictures of The Product (Click to Enlarge) Shure E4c Earphones $299.00 Shure E5c Sound Isolating Earphones $499.00 Shipping FAQ's | Send to a Friend! | Bookmark Us | Privacy Policy | SiteMap © 2008 www.HeadphoneWarehouse.com Headphones...wireless and noise cancelling