Presonus HD9 / HP4 Pack One HP4 Headphone Amplifier and Four HD9 Headphones

Presonus HD9 / HP4 Pack One HP4 Headphone Amplifier and Four HD9 Headphones

 The HD9/HP4 Pack designed by PreSonus is an HP4 4-channel headphone amplifier with four HD9 closed-back headphones, and is designed for delivering personal monitoring for up to four artists, musicians, or podcast guests in project, home, or commercial studios. The foldable, rotatable headphones utilize 45mm neodymium drivers for producing a frequency response of 10 Hz to 26 kHz. You can connect them to the high-power, front-panel 1/4" headphone outputs of the HP4, which also offers left and right 1/4" output jacks for connection to studio monitors. The headphone amp accepts a stereo feed via 1/4" inputs and features an adjustable headphone level per channel, switchable mono/stereo operation, adjustable monitor level, and a monitor mute switch.

PreSonus HP4 - 4-Channel Headphone Distribution Amplifier

The PreSonus HP4 answers the requirement for a headphone distribution amplifier with professional specifications in a small package at an affordable price. The HP4 is designed with 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 ability for control-room monitors along with a separate volume control, monitor mute switch and mono switch, thus providing you an extremely powerful monitoring solution at an amazingly low price.

PreSonus HP4 - 4-Channel Headphone Distribution Amplifier Specs

• Number of Channels: 4
• Input Connections: 1 x 1/4" TRS Input
• Output Connectors: 4 x High Power 1/4" TRS Outputs
• Maximum Output Level: -80 dB to +10 dB; 51 Ohm Impedance
• Function Controls: Headphone Level, Monitor / Feed Output, Mono Switch, Monitor / Feed Mute
• Frequency Response: 10 Hz to 50 kHz
• THD + N: 0.002%
• Noise: -98 dB
• Display: No
• Dimensions: 5.5 x 1.75 x 5.5" (140 x 44 x 140 mm)
• Weight: 5 lbs (2.3 kg)

Packaging Info

• Package Weight: 3.21 lb
• Box Dimensions (LxWxH): 12.5 x 7.85 x 4.25"

PreSonus HD9 Professional Over-Ear Monitoring Headphones (Closed Back) Specs

Headphone

• Driver Size: 1.77" / 45 mm
• Magnet Type: Neodymium
• Design: Over-Ear (Circumaural)
• Earcup Style: Closed-Back

General

• Frequency Response: 10 Hz to 26 kHz
• Impedance: 40 Ohms (Passive)
• Maximum Power Handling: 1800 mW
• Driver Type: Dynamic
• Foldable: Yes

Connectivity

• Audio Connector: 1/8" (3.5 mm) TRS
• Connector Plating: Gold
• Adapter (Included): 1/4" (6.3 mm) TRS

Cable

• Design: Single-Sided
• Detachable: No
• In-Line Remote/Microphone: No
• Cable Length: 9.84' / 3 m

Packaging Info

• Package Weight: 1.3 lb
• Box Dimensions (LxWxH): 11 x 10.6 x 5.25"