EIKON HPAMP4 4 Channel Headphones Amplifier User Manual

EIKON HPAMP4 4 Channel Headphones Amplifier

Product Information

Specifications

• Model: HPAMP4 4-channel headphone amplifier
• System Type: 2x RCA, 1x 1/4 JACK stereo, 1x 1/8 JACK stereo
• Input Section Connectors: Input
• Input Impedance: 20 Kohm
• Max Input Level: +20 dBu
• Output Section Connector: Outputs
• Max output 32ohm: 2x 100mW (each channel)
• Max output 600ohm: 2x 100mW (each channel)
• Load Impedance: min 16 ohm per channel
• Max gain: +20 dB (each channel)
• System Performance:
  • Distortion (THD): 0.02 %
  • Noise: < -98 dBu unweighted
  • Frequency Response: 20 Hz – 20 KHz (-3 dB)
• Power Supply:
  • Connector: AC/DC adapter input
  • AC/DC adapter output: Supplied cable
• General Controls:
  • OUTPUT LEVEL, INPUT STEREO/MONO SWITCH
  • Power ON
• Dimensions (W x H x D): 160 x 52 x 106 mm (6.30 x 2.05 x 4.17 inches)
• Weight: 0,50 Kg (main), 0,08 Kg (adapter with cable)

Product Usage Instructions

Operations

1. LEVEL 1-4: Use these controls to set the level of each headphone’s output.
2. JACK HEADPHONES OUT 1-4: Use the 1/4 (6.3mm) stereo JACK outputs to connect up to 4 headphones.
3. MINI-JACK HEADPHONE OUT 1-4: Use the 3.5mm stereo miniJACK outputs linked with the correspondent 1/4 headphone JACKs.
4. ON: The LED is illuminated when the unit is connected to power.
5. DC IN: Use the USB type B connector to power your HPAMP4 by connecting the supplied AC/DC adapter.
6. MONO/STEREO: Switch to hear the input signal in mono on the headphones, useful for mono sound sources.
7. MINI-JACK INPUT: Utilize the 3.5mm stereo mini-JACK input.
8. JACK INPUT: Use the 1/4 (6.3mm) stereo JACK input.
9. L & R RCA: Standard RCA line inputs.

Connection Example
The following image shows a typical connection setup.

Frequently Asked Questions

Q: Is the HPAMP4 compatible with all types of headphones?

A: The HPAMP4 is compatible with most headphones, providing they have an impedance within the supported range.

Q: Can I power the HPAMP4 from any USB port?

A: The HPAMP4 accepts a 5V supply from USB ports capable of delivering at least 500mA. Ensure compatibility before connecting.

Q: What is the purpose of the MONO/STEREO switch?

A: The MONO/STEREO switch allows you to listen to the input signal in mono when dealing with mono audio sources.

INTRODUCTION

HPAMP4
4-CHANNEL HEADPHONES AMPLIFIER

Thank you for choosing an EIKON product.

IMPORTANT:
read all the safety instructions that appear at the end of this document.

• All EIKON products are CE approved and designed for continuous use in professional applications.
• The compact HPAMP4 Headphones Amplifier features a stereo input and four headphone outputs with individual level controls. It is very useful in small studios or stages when up to four people want to listen together.
• This 4-channel stereo headphone amplifier is designed for use with all types of headphones and therefore offers maximum flexibility.
• Its high-power stereo amplifiers with the low-noise 4580 OPAMP guarantee the highest sonic quality even at maximum volume.
• The input connections with 1/4” jack, mini-jack, RCA and mono/stereo switch together with output connections 1/4” jack and mini-jack allow the maximum flexibility without the need of special connection adapters.

OPERATIONS

1. LEVEL 1-4: using these controls you can set the level of each headphones output.
2. JACK HEADPHONES OUT 1-4: 1/4” (6.3mm) stereo JACK outputs to connect up to 4 headphones.
3. MINI-JACK HEADPHONE OUT 1-4: 3.5mm stereo mini-JACK outputs, linked with the correspondent 1/4” headphone JACKs.
4. ON: this LED is illuminated as soon as the unit is connected to the power.
5. DC IN: this is a USB type B connector to power your HPAMP4, connecting here the supplied AC/DC adapter you turn on the unit. Please note that is not a USB port for data connection, but it accepts the 5V supply only, so you can supply the HPAMP4 from almost any device capable of delivering 500mA from its USB port. When installing the product with the supplied AC/DC adapter, ensure that the plug is easily accessible.
6. MONO/STEREO: this switch allows to hear on the headphones the input signal as mono and it is useful when the sound source is a mono signal.
7. MINI-JACK INPUT: 3.5mm stereo mini-JACK input.
8. JACK INPUT: 1/4” (6.3mm) stereo JACK input.
9. L & R RCA: standard RCA line inputs.

CONNECTION EXAMPLE

The following image shows a typical connection:

TECHNICAL SPECIFICATIONS

stereo

Input| 1x stereo
Input Impedance| 20 Kohm
Max Input Level| +20 dBu
Output Section|
Connector| 4x 1/4″ JACK stereo or 1/8″ JACK stereo
Outputs| 4x HEADPHONES stereo
Max output 32ohm| 2x 100mW (each channel)
Max output 600ohm| 2x 100mW (each channel)
Load Impedance| min 16 ohms per channel
Max gain| +20 dB (each channel)
System Performance|
Distortion (THD)| 0.02 %
Noise| < -98 dBu unweighted
Frequency Response| 20 Hz – 20 KHz (-3 dB)
Power Supply|
Connector| USB Type B
AC/DC adapter input| 100-240V~ (±10%) 50/60Hz
AC/DC adapter output| 5V — 1A (5W)
Supplied cable| 1,2m USB Type A – Type B
General|
Controls| 4x OUTPUT LEVEL, INPUT STEREO/MONO

SWITCH

Indicators| Power ON
Dimensions (W x H x D)| 160 x 52 x 106 mm (6.30 x 2.05 x 4.17 “)
Weight| 0,50 Kg (main)

0,08 Kg (adapter with cable)

IMPORTANT SAFETY INSTRUCTIONS

Watch for these symbols:

• The lightning flash with the arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure, that may be of sufficient magnitude to constitute a risk of electric shock to persons.
• The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.

1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with a dry cloth.
7. Do not block any ventilation openings. Install by the manufacturer’s instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades one wider than the other. A grounding-type plug has two blades and a third grounding prong. The wide blade or the third prong is provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for the replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
11. Only use attachments/accessories specified by the manufacturer.
12. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.
13. Unplug this apparatus during lightning storms or when unused for long periods.
14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as a power supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
15. Warning: to reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.
16. Do not expose this equipment to dripping or splashing and ensure that no objects filled with liquids, such as vases, are placed on the equipment.
17. To completely disconnect this apparatus from the AC mains, disconnect the AC/DC adapter from the AC receptacle.
18. The power plug of the AC/DC adapter must remain easily accessible.
19. This apparatus contains potentially lethal voltages. To prevent electric shock or hazard, do not remove the chassis, input module or ac input covers. No user serviceable parts inside. Refer servicing to qualified service personnel.
20. The equipment covered by this manual is not intended for high-moisture outdoor environments.
21. Keep the equipment out of extended or intense direct sunlight.
22. This equipment is easily capable of generating sound pressure levels (SPL) sufficient to cause permanent hearing damage to performers, production crew and audience members. Caution should be taken to avoid prolonged exposure to SPL over 90 dB.

This marking shown on the product or its literature, indicates that it should not be disposed with other household wastes at the end of its working life. To prevent possible harm to the environment or human health from uncontrolled waste disposal, please separate this from other types of waste and recycle it responsibly to promote the sustainable reuse of material resources. Household users should contact either the retailer where they purchased this product, or their local government office, for details of where and how they can take this item for environmentally safe recycling. Business users should contact their supplier and check the terms and conditions of the purchase contract. This product should not be mixed with other commercial wastes for disposal.

FCC STATEMENT

FEDERAL COMMUNICATIONS COMMISSION (FCC) STATEMENT
This equipment has been tested and found to comply with the limits for a Class A digital device, according to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used per the instruction manual, may cause harmful interference to radio communications.

Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at their own expense.

This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions:

1. this device may not cause harmful interference, and
2. this device must accept any interference received, including interference that may cause undesired operation.

DECLARATION OF CONFORMITY

The product complies with:
EMC Directive 2014/30/EU, LVD Directive 2014/35/EU, RoHS Directive 2011/65/EU and 2015/863/EU, WEEE Directive 2012/19/EU.

The product complies with:

• S.I. 2016/1091 Electromagnetic Compatibility Regulations 2016, S.I. 2016/1101 Electrical Equipment (Safety) Regulations 2016, S.I. 2012/3032 The Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Regulations 2012.
  • WARNING EN 55032 CISPR 32
• This equipment is compliant with Class A of CISPR 32. In a residential environment this equipment may cause radio interference. Under the EM disturbance, the ratio of signal-noise will be changed above 10 dB.

LIMITED WARRANTY

Proel warrants all materials, workmanship, and proper operation of this product for two years from the original date of purchase. If any defects are found in the materials or workmanship or if the product fails to function properly during the applicable warranty period, the owner should inform about these defects the dealer or the distributor, providing a receipt or invoice of the date of purchase and defect detailed description. This warranty does not extend to damage resulting from improper installation, misuse, neglect, or abuse. Proel S.p.A. will verify damage on returned units, and when the unit has been properly used and the warranty is still valid, then the unit will be replaced or repaired. Proel S.p.A. is not responsible for any “direct damage” or “indirect damage” caused by product defectiveness.

• This unit package has been submitted to ISTA 1A integrity tests. We suggest you control the unit conditions immediately after unpacking it.
• If any damage is found, immediately advise the dealer. Keep all unit packaging parts to allow inspection.
• Proel is not responsible for any damage that occurs during shipment.
• Products are sold “delivered ex-warehouse” and shipment is at the charge and risk of the buyer.
• Possible damages to unit should be immediately notified to the forwarder. Each complaint for package tampered with should be done within eight days from product receipt.

CONDITIONS OF USE

Proel does not accept any liability for damage caused to third parties due to improper installation, use of non-original spare parts, lack of maintenance, tampering, or improper use of this product, including disregard of acceptable and applicable safety standards. Proel strongly recommends that this loudspeaker cabinet be suspended taking into consideration all current National, Federal, State, and Local regulations. The product must be installed by qualified personnel. Please contact the manufacturer for further information.

EIKON is a brand of

PROEL SPA

• (World Headquarters – Factory) Via alla Ruenia 37/43 64027 Sant’Omero (Te) – Italy
• Tel: +39 0861 81241
• Fax: +39 0861 887862
• www.eikon-audio.com.

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