Pearl PDM250 Precision Monitors Custom Beyerdynamic DT-770 Headphones 250ohm For Sale

For sale:Pearl PDM250 Precision Monitors Custom Beyerdynamics DT-770 Headphones 250ohmThese are basically Beyerdynamic DT-770 250ohm headphones + pearl making and straight cable. They also claim they improved the sound, but I have a pair that I use and my ears can\'t find much different between them and default beyerdynamics
They are brand new, never worm, using most comfortable velour pads. Straight cable comes with a 1/4\" adapter + 3.5mm. Picture 1 and 2 are stock, 3/4 are original of what you see. The 2 boxes are different size but headphones are both new.Sale per, picture just to show you the shape of the boxes. They may have additional stickers on other side.
Please ask questions before offerding
Thank you
Below what Pearl says about these:
Pearl\'s Precision Drum Monitors are a closed dynamic headphone of exceptional quality suitable for the most demanding professional applications. Based on the highly acclaimed Beyer Dynamic DT770 Pro, Pearl\'s PDM250 has been custom engineered as the ultimate drum monitoring headphone for recording studios, post production, or broadcasting situations.
The low mass coil and diaphram assembly produce a transient performance in combination with a carefully tailored frequency response offering a completely natural and balanced sound. Soft earpads and adjustable, sliding, earpieces together with a single sided connecting cable ensure long term listening comfort during extended periods of use.
Pearl Precision Drum Monitors feature 250 ohm drivers with a gold plated 3.5 mm stereo jack and 1/4\" inch adapter, making them suitable for use with almost all headphone amplifiers.

• Closed, diffuse-field studio headphone
• Bass reflex technology for improved bass response
• Up to 35db of ambient noise isolation
• Impedance 250 ohms
• Frequency Response 5 - 35.000Hz
• Sound pressure level 96db
• Net weight 270g