Names and functions, Front panel, Top panel

Names and functions

Front panel

❶ ❷ ❸ ❹ ❺

❶U S B c o n n e c t o r ( t y p e A ) f o r D o c k

Connector to USB cable

Connects an iPod or iPhone using the supplied Dock Connector to USB cable.

<Memo>:When both the analog input jack and USB connector are plugged in, the unit receives only the analog input signal. The USB connec- tor is disabled.

<Note>:Some old iPod or iPhone models do not recognize the HP-P1. See “Connecting an iPod/iPhone” on page E-6 for connectable iPod/iPhone models.

❷Analog input jack (stereo mini jack)

Connects the analog audio output (or headphone output) of a portable audio player, etc.

❸Headphone output jack (stereo mini jack)

Connects stereo headphones.

Top panel

❻Status indicator

When the internal battery is being charged (i.e. a person- al computer is connected to the [DC-IN] port and a power is supplied from it), this indi- cator lights in green.

When the power is on and an iPod or iPhone is connected, the indicator lights in red.

When the internal battery is being charged and an iPod or iPhone is connected, the indicator lights in orange.

Rear panel

❼ ❽ ❾ ❿ ⓫

❼[LINE OUT] jack (stereo mini jack)

Outputs an audio source of the HP-P1 (iPod/iPhone audio or analog audio) in analog form. You can con- nect a recorder or audio amplifier to this jack.

❹Power indicator

When you turn on the power, this indicator lights in red briefly and then turns to green.

When the battery is exhausted, it lights in red.

❺Power switch/volume control dial

This dial adjusts the headphone level, as well as switches on or off the power.

When the dial is turned completely counterclock- wise, the power is off. By turning the dial clockwise beyond the “click”, the unit is turned on and the headphone level increases by further rotating it clockwise.

❽[S/PDIF] output jack (optical)

Outputs the S/PDIF digital signal converted from an iPod or iPhone digital audio signal. You can con- nect a recorder or amplifier that provides the digital input to this jack.

❾[GAIN] switch

Switches the gain of the headphone amplifier. See “Gain setting” on page E-8.

❿[FILTER] switc

Switches the type of the digital filter in the internal DAC. See “Filter setting” on page E-9.

⓫[DC-IN] port (USB mini B)

You can charge the internal battery by connecting this port to your personal computer using the sup- plied USB mini-B to USB A cable.

E-5

HP-P1 specifications

The Fostex HP-P1 is a portable headphone amplifier and digital-to-analog converter (DAC) that caters to audiophiles and music enthusiasts alike. This device cleverly combines high-performance audio technology with portability, making it an invaluable tool for those who wish to enjoy premium sound quality on the go.

One of the standout features of the HP-P1 is its high-resolution audio capabilities. It supports a wide range of formats, including 24-bit/96 kHz playback, ensuring that users can enjoy their music at its finest quality. The HP-P1 utilizes a proprietary DAC, which provides a significant upgrade over standard headphone outputs found in most portable devices. This DAC is responsible for converting digital audio signals into high-fidelity analog signals, creating a rich and immersive listening experience.

In terms of design, the HP-P1 is compact and lightweight, making it easy to carry around. It features a sleek aluminum casing that not only offers durability but also aids in shielding against electromagnetic interference, maintaining the integrity of the audio signal. The device is simple to operate, featuring an intuitive interface with clearly labeled buttons for volume control and source selection.

The headphone amplifier section is another highlight, delivering sufficient power to drive a wide range of headphones, from low-impedance models to higher-end audiophile gear. This versatility allows users to achieve optimal sound quality regardless of their headphone choice.

Connectivity options on the Fostex HP-P1 are robust. It includes a USB input for direct connection to computers and mobile devices, as well as a digital coaxial input for use with external digital sources. Additionally, it features a 3.5 mm headphone output and a line-out for those looking to connect to additional audio systems.

Battery performance is also noteworthy; the HP-P1 is equipped with a rechargeable lithium-ion battery that provides extended playtime, allowing users to enjoy their music without the need for constant recharging. This combination of high-quality audio processing, powerful amplification, and portability makes the Fostex HP-P1 a top contender for any serious audio enthusiast looking for a powerful yet convenient listening solution.

Fostex HP-P1 manual Names and functions, Front panel, Top panel, Rear panel

Models: HP-P1