I should have checked further back in the forum before jumping in, too eager to assist. Well, perhaps there is this after all an opportunity here, repairing competitors products for a price. NOT!

PLEASE IGNORE, I though you were talking of our X1HA-EPx amp. Obviously not. Certanly our X1HA-EPx amps do not have such issues. Hi Claus-DK Please contact me to discuss your problem with the battery not charging. Send an email to: 2.support@aptecpro.com Thank you Alberto Xenos Audio

NEW ANNOUNCEMENT- Lower gain now standard on X1HA-EPC model, no hiss or noise, much lower distortion than before. Gain settings before 20/02/2007 - Low = 19dB High = 29dB Gain settings after 21/02/2007 - Low = 12dB High = 22dB Low gain setting is excellent for IEM's while high gain...

Some members report that they can hear a hiss from the X1HA-EPC. Is it true? To explain... With the Gain switch in the OFF position. The X1HA-EPC has a reletively high, 20kOhm nominal input impedance which if unterminated (not connected to anything) could produce some very, very low...

For the forum member wondering if putting 24Volts into the X1HA-EPx will provide better performance. Here is your answer... The internal switched power supply that provides split rail to the amp electronics can only handle maximum 12VDC input. It will make absolutely no difference to the...

Hi all Thanks to the great response received for reviewing the X1HA-EPC. Will announce the individuals who will be receiving a FREE X1HA-EPC soon.

Introducing the X1HA-EPx Feature Packed Portable Amp Series We designed the X1HA-EPx series to be the ultimate in portable headphone amplification. Lower gain on X1HA-EPC model, no hiss or noise, much lower distortion, low gain setting ideal for IEM's. True high-end amplifier design...

We use Texas Instruments NE5532 OP AMPS in the X3HA. Let me know if you want to know why we chose NE5532. Switching supply is custom designed for the X3HA with low pass filters on output to eliminate switching ripple and noise. We can provide scope traces of supply outputs for reference if...