Stereo Electronics - The Audio-Technica ATH-40x headphones are of excellent build quality, and almost as good as their big brother the ATH-M50x. This March, with every purchase of ATH-M40x, get a FREE
ATH-M20X 30X 40X 50XBT Headphone Monitor M70X Comfortable and Professional - AliExpress
Original Audio Technica ATH-M20X/30X/40X/50X Wired Professional Headphones Over-ear Closed-back Dynamic Deep Bass 3.5mm Jack - AliExpress
Audio-Technica ATH-M40x Studio Monitor Headphones | Reverb