Woo Audio 3ES Electrostatic Headphone Amp/Preamp add glow tips This gives a wider sound

This gives a wider sound stage

Set of ear-plugs: Silicone

4mm Pentacon BALRCA L/R Socket SE3

Punchier basslines with EXTRA BASS™

7 V lithium polymer rechargeable battery

Woo Audio 3ES Electrostatic Headphone Amp/Preamp add glow tips This gives a wider soundOverview With over 10 years of experience in electrostatic amplifier designs. The all new 3ES is our flagship electrostatic headphone amplifier and preamplifier. It shares the same architecture as our flagship WA33 dynamic headphone amplifier in a two unit design where the top unit is an amplifier docking on the power supply using our internal coupling architecture (ICA) technology. The 3ES employs two 6SN7 driver tubes pushing four 300B power tubes