Fostex HP-A4 Owner'S Manual Download Page 9

E-9

Connection example

Specifications

Inputs

• [USB] connector

 

Interface: USB 2.0 high speed

• Supporting sampling frequency:
     (PCM): 44.1 kHz, 48 kHz, 88.2 kHz, 
                 96 kHz, 176.4 kHz, 192 kHz
     (DSD):  2.8 MHz, 5.6 MHz
• Supporting quantization bit width: 16 bit, 24 bit

• [DIGITAL IN] connector

• Connector type: TOSLINK optical
• Format: S/PDIF
• Supporting sampling frequency: 44.1 kHz, 

 

48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz

• Supporting quantization bit width: 16 bit, 24 bit

Outputs

• [PHONES] connector

• Connector type: 1/4-inch stereo jack
• Maximum output: 100 mW (32 ohms load)

   

20 mW (300 ohms load)

• Applicable load impedance: 16 ohms or more
• THD: 0.04% or less (at 1 kHz, 32 ohm load,
   100 mW output)
• Frequency response: 20 Hz to 80 kHz, 
   +/− 3 dB (32 ohm load, 100 mW output)

• [OUTPUT (L, R)] connectors

• Connector type: RCA pin jack
• Nominal output level: 2 Vrms (0 dBFS)
• Applicable load impedance: 10 kohms or more
• THD: 0.01% or less (at 1 kHz)
• Frequency response: 20 Hz to 80 kHz, 

   

+/− 3 dB (at nominal level)

<Note>:When a PCM source is input, the [DIGITAL OUT] connector directly outputs the input signal. 
* When a DSD source is input, no signal is output from the [DIGITAL OUT] connector.

Headphones

Computer

Audio

amplifier

CD

player

AV

amplifier

• [DIGITAL OUT] connector

• Connector type: TOSLINK optical
• Format: S/PDIF 
• Supporting sampling frequency: 44.1 kHz, 
   48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz
• Supporting quantization bit width: 16 bit, 24 bit

General

• microSD card slot 

• Format: FAT32
• Usable card: microSDHC card (4GB to 32GB)

•  Supplied  accessories:  rubber  feet  (x  4),  USB 

cable (x 1), Owner’s manual (x 1)

•  Power  requirement:  DC  5  V  (supplied  from  the 

USB port)

• Power consumption: 2.5 W
•  External  dimensions:  112  (W)  x  34  (H,  excluding 

rubber feet) x 135.5 (D, including protrusions) mm

• Weight: 500 g

*  Specifications  and  appearance  are  subject  to 

change without notice for product improvement.

*  Windows  is  a  registered  trademark  of  Microsoft 

Corporation in the United States and other coun

-

tries.

*  Mac  is  a  trademark  of  Apple  Inc.,  registered  in 

the U.S. and other countries.

*  DSD is a trademark.
*  All other trademarks are the property of their re

-

spective owners.

Summary of Contents for HP-A4

Page 1: ...8000 565643 Note If you connect the HP A4 to a Windows computer via USB you must install the dedicated USB Audio Class 2 0 driver which can be downloaded from the Fostex website www fostex com If you...

Page 2: ...uctions Failure to do so could void your FCC ICES 003 authorization to use this product in the USA Canada 3 NOTE This equipment has been tested and found to comply with the limits for a Class B digita...

Page 3: ...adphones output connectors The unit can play back PCM audio as well as DSD audio natively You can enjoy up to 24 bit 192 kHz PCM source as well as up to 5 6 MHz DSD source in excellent quality Feature...

Page 4: ...1k and DSD indicators are illuminated When the sampling frequency of the input signal is 5 6 MHz the 88 2k and DSD indicators are illuminated Note Immediately after the power is sup plied to the unit...

Page 5: ...udio device USB connector When you play back USB audio connect a com puter to this connector using the supplied USB cable When you play back audio received from the DIGITAL IN connector connect a devi...

Page 6: ...a to the unit audio may not be played back With some of audio playback software ap plications the beginning of a song may be muted when you switch between DSD and PCM Before you operate an audio playb...

Page 7: ...opriately you may be able to monitor the sound better Depending on a computer OS the setting window differs The following briefly introduces the setting window for each OS See the computer manual or h...

Page 8: ...ne out put amplifier At the HI position the gain is 10 dB higher than the gain at the LO position Caution Turn the volume control knob all the way toward the left before you operate the switch OUTPUT...

Page 9: ...nal level Note When a PCM source is input the DIGITAL OUT connector directly outputs the input signal When a DSD source is input no signal is output from the DIGITAL OUT connector Headphones Computer...

Page 10: ...o Finland TEL 358 9 5259330 FAX 358 9 52593352 FRANCE NAME Hamy Sound ADD 28 Rue Edith Cavell 92400 Courvevoie France TEL 33 1 4788 4702 FAX 33 1 4789 4872 GERMANY NAME Mega Audio GmbH ADD Stromberger...

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