Condition: BRAND NEW IN ORIGINAL PACKAGING

Warranty: 1 YEAR MANUFACTURER

Package Includes:

• (1) Beyerdynamic DT-770 Pro 32-Ohm Closed Back Headphones
• (1) Presonus Hp4 4 Channel Headphone Amplifier

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Authorized Beyerdynamic Dealer!

Features of DT-770-PRO-32:

• Beyerdynamic DT 770 Pro 32 Ohm Dynamic Studio Headphones
• 32 Ohms drivers for mobile 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
• Softskin, circumaural ear pads
• Single sided 1.6 m (5.2 ft.) straight cable
• Including drawstring bag
• Gold plated jack plug (3.5 mm) and adapter (6.35 mm)

Details:

• Transducer type . . . . . . . . . . . . . . . . . . . Dynamic
• Operating principle . . . . . . . . . . . . . . . . Closed
• Nominal frequency response . . . . . . . . . 5 - 35,000 Hz
• Nominal impedance. . . . . . . . . . . . . . . . 32 O
• Nominal SPL . . . . . . . . . . . . . . . . . . . . . 96 dB SPL
• Nominal T.H.D . . . . . . . . . . . . . . . . . . . . < 0.2%
• Power handling capacity . . . . . . . . . . . . 100 mW
• Sound coupling to ear . . . . . . . . . . . . . . Circumaural
• Ambient noise isolation
• 32O version . . . . . . . . . . . . . . . . . . . . . approx. 20 dBA
• Nominal headband pressure . . . . . . . . . approx. 3.5 N
• Weight (without cable) . . . . . . . . . . . . . 270 g
• Length and type of cable
• 32 O version . . . . . . . . . . . . . . . . . . . . . 1.6 m / straight cable
• Connection . . . . . . . . . . . . . . . . . . . . . . Gold plated stereo, jack plug (3.5 mm) and , 1/4" adapter (6.35 mm)
• Click Here To View The User Manual (Link Opens In A New Window)

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Video of HP4:

Features Summary of HP4:

• 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.

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Important Documents:
(All links will open in a new pop-up window)

• HP4 Manual English (PDF)
• HP4 Manual Español (PDF)

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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

AudioSavings Return Policy:

At Audiosavings, we strongly believe in customer satisfaction and therefore offer free return shipping within 30 days of purchase on all items returned to us within the continental USA.

Prior to returning merchandise, contact us and we will give you a return authorization # and a return label.

You may return this item for a refund within 30 DAYS of purchase.

Warranty Repair/Exchange Period: 1 YEAR

If your item is defective or you want to return it for any reason within the first 30 days of when it was delivered to you; you have the following options:

• We will send you a pre-paid shipping label to replace the item for a brand new one.
• We will send you a pre-paid shipping label to exchange the item for another item of your choice. If the item you chose is more or less money we will work out the price difference with you.
• If you are returning a working item in used condition for a refund there will be a 20% used item fee deducted from your refund. All replacements and exchanges are free.

Replacement/Processing Time:

Your replacement or refund will process within 3-5 business days of when we receive the item.

Please note items with physical damage un-related to shipping are not covered under warranty. Registered software cannot be returned.

You MUST notify us within 48 hours if you receive an item that was damaged during shipping.

Process for returning items

Please email us with your eBay user ID, Item code / model #, Condition of the item, and the reason for your return. Please also indicate whether you would like a replacement, an exchange, or a refund. We will supply you with a reference number (RMA #) to put on the package which will ensure quick processing of your return. All returns require a RMA# to be returned back to our facility.