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EU Directives on the Protection 

of the Environment and Other 

Euro Stuff 

RoHS

 This product is compliant with the EU 

Directive 2002/95/EG for the Restriction of the use 
of Certain Hazardous Substances in Electrical and 
Electronic Equipment. No lead (Pb), cadmium (Cd), 
mercury (Hg), hexavalent chromium (Cr+6), PBB 
or PBDE is intentionally added to this device. Any 
traces of impurities of these substances contained 
in the parts are below the RoHS specified threshold 
levels. 

REACh

 This product is compliant with the European 

Union Directive EC1907/206 for the Registration, 
Evaluation, Authorization, and Restriction of 
chemicals (REACh) and contains none or less than 
0.1% of the chemicals listed as hazardous chemicals 
in the REACh regulation. 

WEEE

 As with the disposal of all old 

electrical and electronic equipment, this 
product is not to be treated as regular 
household waste. Instead it shall be 
handed over to the applicable collection point for 
the recycling of electrical and electronic equipment. 

CE

  This product complies with the European 

Union Council Directives and Standards relating 
to electromagnetic compatibility EMC Directive 
(2006/95/EC) and the Low Voltage Directive 
(2004/108/EC).

SPL Warning:

Exposure to extremely high noise levels may 
cause permanent hearing loss. Individuals vary 
considerably in susceptibility to noise-induced 
hearing loss but nearly everyone will lose some 
hearing if exposed to sufficiently intense noise 
for a period of time. The U.S. Government’s 
Occupational Safety and Health Administration 
(OSHA) has specified the permissible noise level 
exposures shown in the following chart. According 
to OSHA, any exposure in excess of these permissible 

Duration per Day  

in Hours

Sound Level, dBA, Slow 

Response

Typical Example

8

90

Duo in small club

6

92

4

95

Subway train

3

97

2

100

Very loud classical music

1.5

102

1

105

0.5

110

0.25 or less

115

Loudest parts of a rock concert

limits could result in some hearing loss. To ensure 
against potentially dangerous exposure to high 
sound-pressure levels, it is recommended that all 
persons exposed to equipment capable of producing 
high sound-pressure levels use hearing protectors 
while the equipment is in operation. Earplugs or 
protectors in the ear canals or over the ears must 
be worn when operating the equipment in order 
to prevent permanent hearing loss if exposure is in 
excess of the limits set forth here:

Summary of Contents for HP4

Page 1: ...HP4 Owner s Manual www presonus com English Deutsch Español Français ...

Page 2: ...urpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade and the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or...

Page 3: ...tromagnetic compatibility EMC Directive 2006 95 EC and the Low Voltage Directive 2004 108 EC SPL Warning Exposure to extremely high noise levels may cause permanent hearing loss Individuals vary considerably in susceptibility to noise induced hearing loss but nearly everyone will lose some hearing if exposed to sufficiently intense noise for a period of time The U S Government s Occupational Safet...

Page 4: ......

Page 5: ... and a Mono summing switch for the headphone and monitor outputs 1 1 Summary of Features 4 discrete headphone level controls Mono summing switch Monitor level control Monitor mute switch 2 balanced line inputs Daisy chain multiple units or pass signal to studio monitors via monitor outputs 4 stereo headphone outputs 2 impedance balanced line outputs We encourage you to contact us with questions or...

Page 6: ...ection procedure for the HP4 before trying to connect it to your recording system Pay close attention when connecting the HP4 to your system as bad cables and improper grounding are the most common causes of problems encountered in recording and live P A environments We recommend checking your cables connections and grounding if you experience any noise or other sonic performance problems 1 2 What...

Page 7: ... supply to the HP4 and plug it in to a wall socket power strip or surge protector Connect Your Input Sources 1 Turn down the main output volume on your audio interface or mixer to its lowest position 2 Connect the main outputs of your audio interface or mixer to the Left and Right TRS inputs on the back of your HP4 For the best sound quality PreSonus recommends us ing balanced cables whenever poss...

Page 8: ...s 3 Turn the main output volume of your audio interface or mixer to unity gain You may need to consult the documentation that came with your device to determine the knob or fader position for unity gain 4 Begin turning up the Phones 1 volume knob on the front panel of your HP4 until your head phones are at a comfortable listening level 5 Begin turning up the Monitor Level knob on the front panel o...

Page 9: ...5 Owner s Manual English Deutsch Español Français Quick Start Guide 2 Getting Started 2 1 2 2 Hookup Diagrams 2 2 1 Using the same stereo source for multiple HP4s ...

Page 10: ...6 PreSonus HP4 English Deutsch Español Français 2 Quick Start Guide 2 2 Hookup Diagrams 2 2 2 Connecting an HP4 and studio monitors to the same stereo source ...

Page 11: ...iffer depending on which type of headphone you use Headphones with lower input impedances will generally be louder than higher impedance headphones In this case louder does not mean better Most professional headphones have impedances between 150Ω and 600Ω Consumer headphones for CD players and the like often have impedances between 8Ω and 32Ω Broadcast headphones are specialized and you are unlike...

Page 12: ...nitors you can simply mute the signal going to the monitors rather than turn down the Monitor Level 3 2 Back Panel Layout Left Right Balanced Inputs These line level inputs should only be used for signals from sources that do not require preamplification such as CD and MP3 players mixers and audio interfaces Left Right Balanced Outputs Monitor Thru These are the line level outputs for the HP4 The ...

Page 13: ... balanced THD N 0 0025 1kHz unitygain MaxOutputLevel 18dBu 0 5 THD N OutputImpedance 51Ω FrequencyResponse 20Hz 20kHz 0 5dB HEADPHONE OUTPUT ConnectorType TRS stereo MaxOutputPower 150mW Ch 0 5 THD N 60Ωload FrequencyResponse 20Hz 20kHz 0 5dB 60Ωload HeadphoneImpedanceWorkingRange 32Ω 600Ω POWER ExternalAdapterType 12VDC 1000mA centerpinpositive NOTE As a commitment to constant improvement PreSonu...

Page 14: ...em by disconnecting any extraneous equipment in your signal chain To submit a tech support request visit our Web site at http support presonus com home or call us at 1 225 216 7887 between 9 a m and 5 p m Central Time GMT 05 00 Please note that you must register your product at www PreSonus com before contacting Customer Service Customers outside of the United States should check first with their ...

Page 15: ...arge any product that proves to be defective on inspection by PreSonus or its authorized service representative To obtain warranty service the purchaser must first call or write PreSonus at the address and telephone number printed below to obtain a Return Authorization Number and instructions of where to return the unit for service All inquiries must be accompanied by a description of the problem ...

Page 16: ...property damage based on inconvenience or on loss of use of the product and to the extent permitted by law damages for personal injury Some states do not allow the exclusion of limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state Thi...

Page 17: ...English Deutsch Español Français ...

Page 18: ...14 English Deutsch Español Français ...

Page 19: ...en or red 1 batch green onions 3 lbs rice Tony Chachere s Cajun Seasoning 1 bottle chicken stock concentrate or 3 cubes chicken bullion 1 can Rotel tomotoes with chilies diced regular hot Tabasco sauce Cooking Instructions 1 In a 16 qt pot or larger slice link sausage and pan fry until brown 2 Add ground beef and brown 3 Do not remove from pot Add diced onions celery and bell peppers 1 can Rotel O...

Page 20: ...the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help CAUTION Changes or modifications to this device not expressly app...

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