List of specifications of the budget headphones Sony MDR-XD150 Sony MDR-XD150 specs Type : Closed, Dynamic Driver unit: 40mm Impedance: 32 ohms Sensitivity: 100 dB/mW Frequency Response : 12 - 22,000Hz Cord length: 2m cord (both sides) Plug: Gold-plated L-shaped Stereo Mini Weight: 160g (without cord) Price: $25 Sony MDR-XD150 are super basic cheap headphones for under $30 . They have simple, clean design that most consumers would like. I personally used these headphones for couple of years now and I can confirm they are not among the most comfortable but that is kind of expected considering the low price. Majority 120W TV soundbar with Bluetooth Here is my full Sony MDR-XD150 headphones review , where you can find more technical info and of course real world consumer test.