The Ultimate 4) Beyerdynamic Dt-770-pro-250 Studio Tracking Headphones+presonus Headphone Amp Special: 95% Discount [20Jlwazq]

• (4) Beyerdynamic DT-770-PRO-250 Closed Back Reference Studio Tracking Headphones
• (1) Presonus HP4 4 Channel Headphone Amplifier Monitoring System HP-4

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Description of DT-770-PRO-250:

The DT 770 PRO is a closed dynamic headphone and has been designed for critical music and sound monitoring. The single sided cable makes the handling of the headphone easy. The cushion system allows the DT 770 PRO to be used comfortably for long periods of time.

Features:

• Beyerdynamic DT 770 Pro Ltd 250 Ohm Reference Headphones For Control and Monitoring Applications
• Closed, diffuse-field studio headphone
• "Bass reflex" technology for improved bass response
• Comfortable fit due to rugged, adjustable, soft padded headband construction
• Robust, easy serviceable construction as all parts are replaceable
• Single-sided cable
• NEW - Limiter - Protects Hearing Loss and Damage
• Velour, circumaural ear pads

Details:

• Transmission type Wired
• Headphone design (operating principle) Closed
• Headphone impedance 250 ohms
• Headphone frequency response 5 - 35.000 Hz
• Nominal sound pressure level 96 dB
• Construction Circumaural (around the ear)
• Cable & plug Coiled connecting cable with mini-jack plug (3.5 mm) & ¼“ adapter (6.35 mm)
• Net weight without packaging 397 g

Video of HP4:

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Please note: If you purchase Presonus from an un-authorized seller then you are taking a big risk. You will not have any manufacturers warranty, and there is no guarantee that the item is authentic, brand new, or even working.

Features Summary:

• Four High Power Headphone Outputs
• Ultra loud (150mW per channel)
• Ultra quiet operation
• Musical Wide Dynamic Range
• Control Room Monitor Outputs with Level Control
• Mono or Stereo Operation
• Monitor Mute Switch
• Daisy Chain an Infinite Number of Units
• Compact package

Description:

"To my amazement, your HP4 sounded as good as both of my hi-fi stereo heaphone amps. Very very clean and loud. I can't believe you put 150 mw per channel, @52 ohms, to four headphone outputs and offer such a quality unit for very little over $100."
- M. Burke, via email

The new HP4 from PreSonus answers the need for a headphone distribution amplifier with professional specifications in a small package at an affordable price. The HP4 features four discrete headphone outputs on the front panel each with its own volume potentiometer and 150mW of amplification per channel. The HP4 also features adjustment over control room monitors with a separate volume control, monitor mute switch and mono switch giving you an extremely powerful monitoring solution at an amazingly low price.

Important Documents:
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Technical Specifications:

Input
	TRS Impedance	10K Ohms
Panel Controls
	Headphone Level	1 to 12
	Monitor / Feed Output	-80dB to +10dB
	Mono Switch
	Monitor / Feed Mute
Power Supply
	Type	Linear
	Input	16VAC/1000mA (factory configured)
Output
	TRS Balanced	51 Ohms Impedance
Performance
	THD+Noise (Unweighted)	0.002%
	Noise Floor	-98dB
	Signal To Noise	>95dB
	Power Supply Rejection	>98dB
Power		16 Watts
Physical
	Weight	5 lbs.
	Dimensions	5.5 x 5.5 x 1.75
	Mounting	Max Rack and Universal Rack Tray
	Chassis	Steel
	Panel	Brushed Aluminum
	Sides	Cast Aluminum