Whats up with this one? Don't look like any amp I have ever seen. Maybe just a passive attenuator? Just an e-pay scam seller?
item # 330855214345
Possibly the purest signal path on earth. This amplifier is only suitable for high impedance stereo headphones like the Sennheiser HD-580. Defining smooth sound.
Bandwidth <<0.000001Hz to >>MHz (DC to RF)
Battery operation with 12V (UPS type battery, not included)
Power consumption < 7W
High input impedance >>MOhms
No resistors, potentiometers
No Transformers, Inductors
No solid state, diodes, transistors, FETS, ICs
Signal amplified by only 2 electron tubes in class A operation
Only suitable for headphones with impedance >150, <600 Ohms
Headphones can damage hearing at high levels. Please make shure you attenuate your signals adequately before sending to this headphone amplifier.