Features
- Compact, high-performance headphone amplifier
- Ideal for wired in-ear monitoring
- Balanced XLR inputs L/R
- 3.5 mm Aux input for click and playback tracks
- Precise volume and balance controls
- Integrated limiter for distortion-free playback and feedback protection
- Switchable mono sum for a focused sound image
- Ultra-stable housing with soft-touch surface
- Convenient belt clip for easy operation on the body
- Connection for 9V power adapter
- Number of inputs: 2
- Input connections: 3.5 mm stereo jack (AUX In) and XLR-F (L + R Input, balanced)
- Input impedance: 10,000 Ohms (3.5 mm jack), 6,000 Ohms (XLR In)
- Input sensitivity: -6 dBV (3.5 mm jack), 3 dBu (XLR In)
- Max input level: 7 dBV (3.5 mm jack), 16 dBu (XLR In)
- Number of headphone outputs: 1
- Headphone output connections: 3.5 mm stereo jack
- Output power (1% THD @ 33 Ohm load): 2 x 1.65 Vrms
- Minimum connected impedance: 16 Ohms (per channel)
- Frequency response: 20 - 40,000 Hz
- Total harmonic distortion (THD): 0.04%
- Controls: Balance L/R, Power/Volume, Stereo/Mono (Focus) switch
- Indicators: Battery (low battery: red), Peak (amber), Power LED (Power ON: green), Signal (green)
- Power supply: 9V block battery and 9VDC power adapter
- Operating voltage: 9V DC
- Current consumption: Nom. 0.07 A / Max. 0.15 A
- Housing material: Plastic
- Housing surface: Soft-touch
- Housing color: Black
- Dimensions: Width 80 mm, Height 42.5 mm, Depth 133 mm
- Weight: 0.155 kg
- Accessories (included): Belt clip
LD Systems HPA 1 - Headphone Amplifier and Wired IEM
The LD Systems HPA 1 is the ideal headphone amplifier for musicians, sound engineers, and audiophiles who value top-notch sound quality. With its compact design and durable plastic housing featuring a soft-touch finish, it is perfectly suited for use on stage, in the studio, or during home recording sessions.
This powerful amplifier offers balanced XLR inputs for interference-free stereo signals, as well as a 3.5 mm Aux input that is perfect for click and playback tracks. The precise volume and balance controls allow for personalized sound adjustments, while the integrated limiter ensures distortion-free playback and prevents feedback.
Equipped with a convenient belt clip, the HPA 1 can be comfortably worn on the body. The dual-color LEDs provide information about battery status and limiter activation. Weighing only 165 grams and offering a runtime of up to 12 hours with a 9V battery, the LD Systems HPA 1 is the perfect companion for anyone who does not want to compromise on high-quality audio while on the go.