Audio-Technica ATH-M20x Professional Monitor Headphones VOX The performance and response is

The performance and response is much larger than its minimal size and stage footprint

Output: el84 x 4

G4 266MHz or more

Thanks to the same beefy transformers as the combo version

Audio-Technica ATH-M20x Professional Monitor Headphones VOX The performance and response isThe ATH Mx Series headphones are a reliable source for monitoring in home and professional studio environments. Because of the increased demand due to the popularity of the ATH M50, Audio Technica refreshed the entire line of these closed back studio headphones for a redesigned feel. The ATH M20x professional monitor headphones are a great introduction to the critically acclaimed M Series line. Modern design and high quality materials combine to