Originally posted by: IAteYourMother
	
	
		
		
			Originally posted by: scorpmatt
	
	
The ER-4P's are $175, better deal imho
		
 
		
	 
http://www.compuplus.com/insidepage.php3?refer=pricegrabber.com&id=1004282
the e4cs retail for 300 as well 
although you realy cant go wrong with either.  I would actually probably go for the etys
		
 
		
	 
Thats what i'm thinking, if I can find the cable adapter.
E4c Technical Specifications:
 Speaker Type:  High-Definition Driver with Tuned Port 
 Sensitivity (at 1kHz):  109 dB SPL/mW 
 Impedance (at 1kHz):  29 Ohm 
 Cable Length:  1.52m (60 inches) 
 Net Weight:  31g (1.1 oz) 
 Input Connector:  3.5 mm (1/8") gold-plated stereo plug 
ER-4 Techincal Specifications:
Response Accuracy:
          ER?4S MicroPro Earphones: 92% 
          ER?4P MicroPro Earphones: 86% 
Noise Isolation: 35-42 dB 
Frequency response: 50-10 kHz ± 2 dB; 20-16 kHz ±4 dB
Acoustic polarity: + electrical = + acoustic
Transducer type: balanced armature
1 kHz sensitivity (ER?4B/ER?4S): 108 dB SPL for a 0.79 V input
                                                                (90 dB @ 0.1 V; 100 dB @ 1mW)
1 kHz sensitivity (ER?4P): 108 dB SPL for a 0.2 V input
                                                  (102 dB @ 0.1 V; 106 dB @ 1mW)
Impedance (ER?4B/ER?4S): 100 Ohms nominal
Impedance (ER?4P): 27 Ohms nominal
Maximum output: 122 dB SPL
Maximum continuous input (ER?4B/ER?4S): 3.0 Vrms
Maximum continuous input (ER?4P): .75 Vrms
Weight: less than 1 oz.