IFI Audio Imatch Volume Evolution Protection Adapter Helps to prevent headphones Can be adjusted to 2 levels

IFI Nano Imatch
The Imatch Solves The Bane of Headphone Listening by Removing Hiss and Improving Dynamics. As Most Ims and Headphones Are Too Loud at Even Half The Volume Level, Listening Enjoyment is Always Curtailed. No more with the IMATCH IN THE SIGNAL PATH.
Use the Imatch When the Headphones/In-Ear Monitor (IEM) is Either Too Loud and/Or There is Excessive Hiss from the Music Source. From Smart Phones to AirPlane In-Flight Entertainment Systems, Powerful Headphone Amplifiers, The Improves Musical Enjoyment by:
1. Background Noise - Significlantly Reduced
2. Dynamic Range - More Open, Transparent
3. Volume Control-Increased USable Range

Specifications:
-Ultra (-24DB) & High-Gain (-12DB) Sensitivity Adjustment
-6N Silver/Copper Matrix Wiring with Final 6063-T5 Aluminium-Magnesium Alloy
-Gold-PLUsed Printed Circuit Board with Audiophile Components (EG MELF RESISTORS). Ors
- INPUT IMPEDANCE:> 16 ohm
- output impedance: <2.5 ohms (High-sensitivity) <1 ohms (Ultra-Sensitivity)
- WEIGHT: 12.2G
- Total Length: 116mm
- Warranty 1 year