Anybody know of an adaptor or extension cable that will allow me to plug in 4 sennheiser 580 phones to my DVD player's 1/4" stereo headphone jack? The sennheisers have adaptors that allow them to plug into 1/4" or mini stereo female jacks. I currently have an extension cord that allows two...

Although I love to listen to rock, folk, jazz, etc.; it is classical music that really sends me. I would love to know of your experiences or recommendations for an amplifier for the Sennheiser HD600 headphones that: 1. Has ample power reserves to handle the wide dynamic swings (very soft to...

Anyone had experience with the in-line headphone volume controls offered by these manufacturers? Is there much sonic degradation from using them? Much differnce among the units? (I am driving my Sennheisers from the analog outputs of my Theta Basic IIIa DAC. Good sound, but too loud.) Hug

My Theta DAC (Basic IIIa) drives my Sennheisers very nicely out of its analog outputs, but the volume is too high, 3.7 volts, 50 ohms output impedance. Anyone know of a simple, high quality attenuator I can insert between the two? Not too expensive? Hug

My Theta DAC (Basic IIIa) drive my Sennheisers very nicely out of its analog outputs, but the volume is too high, 3.7 volts, 50 ohms output impedance. Anyone know of a simple, high quality attenuator I can insert between the two? Not too expensive? Hug