LD Systems HPA 1 - Amplifier for headphones and wired IEM

LD Systems HPA 1 - Amplifier for headphones and wired IEM
536.20 Lei
375.34 Lei
*pretul include TVA
In Stoc
LD Systems
cod produs: LDHPA1
Descrierea Produsului

The LD Systems HPA 1 is a versatile headphone amplifier with high power output for stage, studio and home recording and is the perfect solution for wired in-ear-monitoring.. The compact device in a rugged, ergonomically shaped plastic housing with soft-touch surface and practical belt clip is very extensively equipped.

In addition to locking XLR connectors for the stereo signal L/R input, the HPA 1 has a balanced 3.5 mm stereo jack as AUX input, which can be used in parallel for clicks or playback. It is protected for safe operation against excessive input levels; a hollow pin socket with negative internal contact enables the connection of a network adapter for fixed operation.

A 3.5 mm stereo jack is provided as earphone and headphone output. Volume level and balance can be set with easy-grip knobs, a push-button switches between the summed mono and stereo signals. A full-fledged limiter is integrated for distortion-free playback and as protection against feedback.

The LD Systems HPA 1 has bi-colour LEDs to facilitate the features overview, which displays the response of the limiter during peaks and the battery status. At 165 grams, the headphone amplifier is distinctly light-weight and can be operated for up to 12 hours thanks to a high quality 9 V block battery.

  • Compact and powerful headphone amplifier
  • Also ideal for wired in-ear monitoring
  • Balanced XLR inputs L/R
  • 3.5 mm AUX input for click and playback
  • Precise volume and balance controllers
  • Built-in limiter for distortion-free playback and feedback protection
  • Switchable mono sum for a focused sound
  • Ultra stable housing with soft-touch surface
  • Practical belt clip for direct on-body operation
  • Connection for a 9 V DC adapter
Product typeHeadphone Amp:
Inputs2, AUX In (Stereo)
Input connectors3.5 mm stereo jack (AUX In), XLR-F (L + R Input, balanced)
Input impedance10000 (3.5 mm jack) Ohm(s), 6000 (XLR In) Ohm(s)
Input sensitivity-6 (3.5 mm jack) dBV, 3 (XLR In) dBu
Max. input level7 (3.5 mm jack) dBV, 16 (XLR In) dBu
Protection circuitsAudio Limiter, Max. Input leveling, Power OFF - Mute relay
Headphones ouputs1
Headphones outputs3.5 mm TRS
Power Output (1% THD @ 33 Ohm Load)2 x 1,65 Vrms
Minimum connected impedance16 (per channel) Ohm(s)
Frequency response20 - 40000 Hz
Total Harmonic Distortion (THD)0.04%
ControlsBalance L/R, Power / Volume, Stereo/Mono (Focus) switch
IndicatorsBattery (low battery: red), Peak (Amber), Power LED (Power ON: green), Signal (green)
Operating voltage9 V block, 9 V DC power supply, 9 V DC
Current drawNom. 0.07 A / Max. 0.15
Cabinet materialplastic
Cabinet surfaceSoft-touch
Cabinet colourBlack
Width80 mm
Height42.5 mm
Depth133 mm
Weight0,155 kg
Accessories (included)Belt clip
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