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Sony MDR-IF240RK Supraaural headphone

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The general trademark of a manufacturer by which the consumer knows its products. A manufacturer can have multiple brand names. Some manufacturers license their brand names to other producers.
Product name:
Product name is a brand's identification of a product, often a model name, but not totally unique as it can include some product variants. Product name is a key part of the Icecat product title on a product data-sheet.
Article code :
The brand's unique identifier for a product. Multiple product codes can be mapped to one mother product code if the specifications are identical. We map away wrong codes or sometimes logistic variants.
Headphones come in all sorts of designs and qualities, so you will surely be able to find your perfect pair in our database!
Data-sheet quality: created/standardized by Icecat
The quality of the data-sheets can be on several levels:
only logistic data imported: we have only basic data imported from a supplier, a data-sheet is not yet created by an editor.
created by Sony: a data-sheet is imported from an official source from a manufacturer. But the data-sheet is not yet standardized by an Icecat editor.
created/standardized by Icecat: the data-sheet is created or standardized by an Icecat editor.
Included since: 17 Oct 2005
The date Icecat noticed for the first time that this product was included in the price list of a channel partner
Product views: 18989
This statistic is based on the 73994 using ecommerce sites (eshops, distributors, comparison sites, ecommerce ASPs, purchase systems, etc) daily downloading this Icecat data-sheet since 17-10-05 Only sponsoring brands are included in the free Open Icecat content distribution as used by 72293 free Open Icecat users.
Info modified on: 14 Oct 2017 17:32:49
The date of the most recent change of the data-sheet in Icecat's system
Short summary description Sony MDR-IF240RK Supraaural headphone:
This short summary of the Sony MDR-IF240RK Supraaural headphone data-sheet is auto-generated and uses the product title and the first six key specs.
Sony MDR-IF240RK, Supraaural, 18 - 22000 Hz, 1%, 1.18" (3 cm), Wired, 30 h
Long summary description Sony MDR-IF240RK Supraaural headphone :

Sony MDR-IF240RK. Ear coupling: Supraaural, Headphone frequency: 18 - 22000 Hz, Total Harmonic Distortion (THD): 1%. Connectivity technology: Wired. Battery life (max): 30 h, Battery technology: Nickel-Metal Hydride (NiMH), Battery type: AAA. Weight: 4.41 oz (125 g). Dimensions (WxDxH): 6.06 x 3.07 x 3.9" (154 x 78 x 99 mm)

This is an auto-generated long summary of Sony MDR-IF240RK Supraaural headphone based on the first three specs of the first five spec groups.

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Ear coupling *
Headphone frequency *
18 - 22000 Hz
Total Harmonic Distortion (THD)
Driver unit
1.18" (3 cm)
Ports & interfaces
Connectivity technology *
Battery life (max)
30 h
Battery technology
Nickel-Metal Hydride (NiMH)
Battery type
Weight & dimensions
Weight *
4.41 oz (125 g)
Other features
Dimensions (WxDxH)
6.06 x 3.07 x 3.9" (154 x 78 x 99 mm)
Sound output mode
Frequency range
20 - 20000 Hz(Transmitter)
Source Testseek summary Average rating
Testseek has collected 1 expert review for Sony MDR-IF240RK and the rating is 100 of 100. Click below and use Testseek to find all ratings, product awards and conclusions.
Source Review comments Score
The TopTenREVIEWS Silver Award winner for infrared headphones is the Sony Infrared Wireless Headphones. While these headphones don’t offer the effective range or effective-degree of our top product, they have their own strengths to flaunt. These headph...
Good These offer the greatest frequency range among the infrared headphones at 1822,000Hz...
Bad Sony’s limited warranty lasts only 90 days, which is the shortest warranty among the infrared headphones.
Bottom line With the best audio frequency and the longest battery life, these Sony infrared headphones are a great choice for many users...