PreSonus HP4 | แอมป์ขยายหูฟัง
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HP4 แอมป์ขยายหูฟัง
เครื่องขยายสัญญาณหูฟัง PreSonus HP4, 4 discrete headphone outputs, Dedicated volume pots for each channel, Balanced/unbalanced ¼” TRS I/O, Super-quiet with -98dB noise floor, Wide frequency response, Compact 1/3U rack-mount chassis
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Tel: 02-991-8600, 086-514-5515
PreSonus HP4 แอมป์ขยายหูฟัง
The HP4 from PreSonus answers the need for a headphone distribution amplifier with professional specifications in a small package at an affordable price. It 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 capability for control-room monitors with a separate volume control, monitor mute switch and mono switch, thus giving you an extremely powerful monitoring solution at an amazingly low price.
Features
Input/Output
- 4 screaming-loud (130 mW per channel) stereo ¼” headphone outputs (front panel)
- 2 balanced ¼” line outputs (monitor outputs)
- 2 balanced ¼” line inputs
Meters, Controls, and Features
- Headphone level control for each channel
- Mono summing switch for each channel
- Monitor level control
- Monitor mute switch
- Daisy-chain multiple units via monitor outputs
Physical
- Compact 1/3U rack-mount chassis
- Sealed, detented, metal rotary controls
- External 16 VAC power supply
Specifications
|
Inputs |
|
|---|---|
| Connector Type | ¼” TRS, balanced |
| THD+N | 0.0025%, 1 kHz, unity gain |
| Max Input Level | +18 dBu, <0.5% THD+N, unity gain |
| Input Impedance | 10 kΩ |
| Frequency Response | 20 Hz - 20 kHz, ±0.5dB |
|
Monitor Outputs |
|
|---|---|
| Connector Type | ¼” TRS, asymmetrical, impedance-balanced |
| THD+N | 0.0025%, 1 kHz, unity gain |
| Max Output Level | +18 dBu, <0.5% THD+N |
| Output Impedance | 51Ω |
| Frequency Response | 20 Hz - 20 kHz, ±0.5dB |
|
Headphone Outputs |
|
|---|---|
| Connector Type | ¼” TRS, stereo |
| Max Output Power | 130 mW/Ch., <0.5% THD+N, 60Ω load |
| Frequency Response | 20 Hz - 20 kHz, ±0.5 dB, 60Ω load |
| Headphone Impedance Working Range | 32Ω - 600Ω |
|
Power |
|
|---|---|
| External Adapter Type | +12 VDC, 1000 mA, center pin positive |
|
Physical |
|
|---|---|
| Dimensions | 1/3U rack-mount (with standard rack tray, not included) |
| Height | 1.75” (44.45 mm) |
| Depth | 5.5" (139.7 mm) |
| Width | 5.5” (139.7 mm) |
| Weight | 5 lbs (2.27 kg) |
| แบรนด์ (Brands) | PreSonus |
|---|---|
| รุ่น | HP4 |
| สินค้า (Products) | Headphone หูฟัง |
| สี (Color) | สีฟ้า |
| ข้อมูลจำเพาะ | PreSonus HP4 แอมป์ขยายหูฟัง |
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