Beyerdynamic DT-252 80 Ohm + Presonus HP4 4 Channel Pro Headphone Amplifier Amp

Package Includes:
(1) Beyerdynamic DT-252-80-Ohm Single Ear Closed Back Headphones
(1) Presonus Hp4 4 Channel Headphone Amplifier

Descriptions of DT-252-80OHM:

The DT 252 is a lightweight, single sided, low profile design, closed dynamicheadphone offering good ambient noise isolation. It’s suitable for variousapplications in broadcast and recording studios. The powerful neodymium magnetsystems provide high-fidelity reproduction and a balanced sound. The headbandand earphone cushioning system have been carefully designed for maximum comfortand unobtrusive style.

Features:

Beyerdynamic DT-252 Single-ear version of the DT 250, designed for broadcastingand recording stuido applications
Closed headphone
Good ambient noise attenuation
Lightweight, low profile design
Single-sided, detachable cable
NEW - Limiter (Optional)
Powerful neodymium headphone system for excellent reproduction accuracy
Balanced sound impression
Circumaural ear pads, advanced ear cushion system
Adjustable, soft padded headband
Service-friendly construction due to exchangeability of all parts
Details:
Transmission type Wired
Headphone design (operating principle) Closed
Headphone impedance 80 ohms
Headphone frequency response 10 - 30.000 Hz
Nominal sound pressure level 100 dB SPL
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 281 g
Click Here To View The User Manual (Link Opens In A New Tab)
Click Here To View The Specification Sheet (Link Opens In A New Tab)
Click Here To View The Details On The Limiter Technology (Link Opens In A New Tab)

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

Important Documents:
HP4 Manual English (PDF)
HP4 Manual Español (PDF)

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