What does the i stand for in the new RS1i from Grado? Improved, that’s what! Featuring a new species of handcrafted Mahogany earpieces made using an intricate curing process; Grado has been able to optimize the tonal quality. The Grado RS1i uses new upgraded dynamic transducers and the new 8 conductor cable design all in an open-air configuration, the cups being open-backed.  The result is a smooth, controlled and coherent sound with detailed dynamics. Frequency response ranges from 12-30 kHz and the drivers are matched to 0.05dB. Weighing 9oz, the headphones are an example of the wonder of Mother Nature with a gorgeous, dark-colored Mahogany look.

The Grado RS-1 is the Masterpiece of the Grado collection, the Top Of The Range product which oozes class both in looks and sound.

 

Features:
Vented diaphragm
Wooden air chamber
UHPLC copper voice coil wire
UHPLC copper connecting cord

Tranducer type	dynamic
Operating principle	open air
Frequency response	12-30
SPL 1mV	98
Normal impedance	32ohms
Driver matched db	.05