“ These are amazing. If you can get them for a low price, do so. They are a bit uncomfortable, so you might not want to use them for long periods of time. Their clarity is fantastic though, the bass while not being big in quantity is extremely accurate and with a decent amp (I'm using the 300 Ohm version of the headphones) it is just fantastic in quality. Despite being a closed headphone...” --FirsToStrike
From an old MB Quart brochure (circa late 80s): The Quart Phone 50 Dynamic, semi-open headphone. Coupling: circumaural. Frequency response: 10 Hz - 22 kHz. Nominal Impedance: 120 ohms (x2). Sound Pressure Level: 96 dB. Rated Power Handling: 0.1 watt. Distortion <0.5%. Weight (without cord): 245 grams.
MB Quart QP400 is top of the line semi-open headphone from the last MB Quart lineup. QP400 have cardamatic suspension that together with soft plush earpads make them very comfortable.
SYLVANIA SYL-WH930CS Wireless RF Headphones in Clamshell Packaing
Sentry is one of the most recognized suppliers of electronic devices. Outstanding packaging and the exclusive product design has become Sentry's trademark.PRODUCT FEATURES:Mini-stereo to Hi-Fi plug;2-Way Stereo Splitter plug;Airline adapter;Stereo to mono adapter;20-foot coil cord.
Included: Headset Hi-Fi Streo Adapter Stero Mini-Plug Adapter Transmitter RCA-to-Phono Plug Adapter Listen to all of your favorite audio anywhere around the house, office or on the go without messy, limited range cords! These dynamic wireless headphones plug into any stero, dvd, mp3 or personal audio player for listening enjoyment virtually anywhere. Great for the computer or television....
This digital stereo headset comes pack with a storage case , no more cables around just storage them after you use them. 3.5mm jack allows you to use this headset with a wide range of portable electronics.
The SYL-626 are heavy duty headphones designed for serious listeners. With powerful 40 mm driver speakers and 20-20,000 frequency response. Also includes a 6.3 mm adaptor. Great Value
The SYL-185 Contour Earbuds from Audiology are great for those looking for enhanced sound and comfortable fit in an affordable earphone. This product comes with a 15mm driver, frequency response of 20-20000Hz, impedance of 32 Ohms, sensitivity of 102dB, max power of 50mW and a cord length of 1.2 meters. Perfect for ipod / mp3