| Content | The new HP4 from PreSonus answers the need for a headphone distribution
amplifier with professional specifications in a small package at an affordable
price. The HP4 features 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 over control room monitors with a separate
volume control, monitor mute switch and mono switch giving you an extremely
powerful monitoring solution at an amazingly low price.
Features
? Four High Power Headphone Outputs
? Ultra loud (150mW per channel)
? Ultra quiet operation
? Musical Wide Dynamic Range
? Control Room Monitor Outputs with Level Control
? Mono or Stereo Operation
? Monitor Mute Switch
? Daisy Chain an Infinite Number of Units
? Compact package
Technical Specifications
Input
TRS Impedance 10K Ohms
Panel Controls
Headphone Level 1 to 12
Monitor / Feed Output -80dB to +10dB
Mono Switch
Monitor / Feed Mute
Power Supply
Type Linear
Input 16VAC/1000mA
Output
TRS Balanced 51 Ohms Impedance
Performance
THD+Noise (Unweighted) 0.002%
Noise Floor -98dB
Signal To Noise >95dB
Power Supply Rejection >98dB
Power 16 Watts
Physical
Weight 5lbs./ 2.3 kg.
Dimensions 5.5 x 5.5 x 1.75
Mounting Max Rack and Universal Rack Tray
Chassis Steel
Panel Brushed Aluminum
Sides Cast Aluminum | 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.
- Model Name: LDHPA1
- Product Type: headphone amplifier
- Type: 1-channel stereo
- Inputs: Main Input (Stereo), 1 x Aux In (Stereo)
- Input Connections: XLR-F (L + R Input, balanced), 3.5 mm stereo jack (Aux In)
- Input Impedance: 6 kOhm (XLR In), 10 kOhm (3.5 mm jack)
- Input Sensitivity: 3 dBu (XLR In), -6 dBV (3.5 mm jack)
- Max. Input Level: 16 dBu (XLR In), 7 dBV (3.5 mm jack)
- Protection Circuits: Audio Limiter, Max. Input leveling, Power OFF -Mute relay
- Headphone Outputs: 1
- Headphone Output Connectors: 3.5 mm stereo jack
- Power Output: 2 x 1.65 Vrms / 1% THD 33 Ohm Load
- Minimal Connected Impedance per Channel: 16 ohms
- Frequency Response: 20 Hz - 40,000 Hz
- THD 1 kHz Sine: 0.04%
- Controls: Power/Volume, Balance L/R, Stereo/Mono (Focus) switch,
- Indicators: Signal (Green) / Peak (Amber), Battery (low battery: red) / Power LED (Power ON: green)
- Power Supply: 9 V DC block battery, DC jack
- Operating Voltage: 9 V DC
- Power Consumption: Nom. 70 mA / Max. 150 mA
- Housing Material: plastic
- Housing Surface: soft-touch
- Housing Colour: black
- Width: 80 mm
- Height: 42.5 mm
- Depth: 133 mm
- Accessories (included): belt clip, 1 m 3.5 mm stereo jack cable
|
HeadAMP - Four Output Stereo Headphone Amp Overview
Most home recordings involve from one to four people, any or all of whom are
going to need headphone monitoring. The monitor amp would be connected
to the tape deck?s headphone output or a mixer output so that the performers
can hear themselves and each other. Of course the same application can apply
to band rehearsals and even home entertainment. HeadAMP provides amplification
and individual volume control for up to 4 headsets. It can be driven by either line-
level or headphone amplifier signals (mono or stereo).
HeadAMP - Four Output Stereo Headphone Amp Specifications:
Signal To Noise Ratio >90dB
IMD (SMPTE) 0.01%
Maximum Input Level +14dBV
Maximum Output Level 20dB per channel
Output Impedance 51 Ohms per channel
Output Connectors Four stereo 1/4? headphone outputs
Power Requirements 12V DC (Adapter included)
Total Harmonic Distortion | Behringer HA-400 Ultra-Compact 4-Channel Stereo Headphone Amplifier
Mini to the max! You can use this super-compact stereo headphone amplifier with practically all headphones?four of them at the same time, to be exact! For example, you can let up to 4 different people in your studio listen to the main mix while the recording is being made, and each listener can determine his own volume level using the dedicated output level controls. The HA400 contains 4 high-power stereo amplifiers that maintain the highest sonic quality even at maximum volume levels. Ultra low-noise 4580 operational amplifiers are included for outstanding audio performance?these are the same op amps found in ?full-size? audio equipment?plus, a DC 12-Volt adapter is included.
If you are one of those musicians who like to deck out their equipment with lots of bells and whistles, the HA400 definitely makes a great addition to the functionality of your studio.
The Behringer HA400 offers flexible amplification for up to 4 headphones. Whether you're tracking a full band, playing to a backing track, or just listening to your mix, this compact amp gives every performer diverse volume control.
Hear everything with clarity. The HA400 promises high audio quality with zero interference, no matter what headphones you use. Behringer are relied upon by professional musicians everywhere. With the HA400 headphone amplifier, you'll become a part of 50+ years of innovation and expertise.
The Highest Quality Monitoring Possible
Great monitoring is at the heart of a tight performance. Whether you're on stage or in the studio, the HA4000 delivers ultimate control for everyone playing. Discover the highest quality audio from 4 high power, stereo amplifiers. Even at maximum volume, this tidy headphone amp provides clear sound without muddiness or unwanted noise.
Industry Leading Standard
There's a reason why Behringer are leaders in their field. With 50+ years of industry experience, they've built a legacy around exceptional build quality and innovative design. The HA4000 is no exception. Every channel preserves the original sonic qualities of your input signal. That's performance you can trust.
Features
- Ultra-compact headphone amplifier
- Ideal for stage or studio use
- Full control for every channel with 4 independent stereo high-power amplifier sections
- Extremely high audio quality with virtually all types of headphones, even at maximum volume
- 12V DC power adapter included
- Designed and engineered by Behringer in Germany
Specifications
Line Inputs
-
-
- Type: 1/4'' TS Jack, Stereo
- Impedance: 100kohms
- Max. input level: +15dBu
Headphone Outputs
-
-
- Type: 1/4'' TRS Jacks, Stereo
- Impedance: Approx. 80ohms
- Max. output level: Approx. 40mW in 100ohms
Power Supply
-
-
- Power supply: External power supply 12V
Dimensions/Weight
-
- Dimensions: 47mm (H) x 57mm (W) x 104mm (D)
- Weight: 0.32kg
| In-ear monitor amplifier for personal monitor applications. High power and \"drummer proof\" headphones output. Dual XLR inputs allow for 2-channel mono or stereo operation. Switchable stereo/mono operation with mix function. Level and Balance/Mix controls. Runs up to 12 hours on a 9 V battery (not included). Integrated current limit protects your ears and headphone. Convenient belt-pack clip included. Mounts easily on a standard mic stand with 5/8” and 3/8” thread.
| Brand |
BEHRINGER |
| Model |
P1 |
| Part Number |
000-AZM |
| Mixing Channels |
2 |
| Warranty |
1 Year |
| Application |
Portable PA |
| Series |
P series |
| The VOX AMPLUG AC30 Guitar Headphone Amplifier, AC30 voicing. Plugs directly into your guitar, a great-sounding headphone guitar amp that gives you serious sound fast.
The VOX amPlug AC30 is your fastest ticket to great tone – anytime, anywhere! Jamming late at night? Donʼt want to wake the neighbours? Maybe you want to work out a lick with your MP3 player without taking the time to set up your amp. You want to play guitar right now. amPlug is the answer. Simply plug this palm-sized headphone guitar amp directly into your guitar, and enjoy serious guitar sound anywhere, anytime. VOX amPlug AC30 is based on a vintage VOX AC30. Even with its ultra-compact size, amPlug AC-30 perfectly reproduces the complex and warm distortion that is distinctive of a vacuum tube. Using all new analog modeling technology, amPlug delivers full-fledged amp sound. With its completely analog design, great care was also taken with amPlug's gain circuitry. The "AC30" uses two natural-sounding gain stages to reproduce the distinctive AC30 tone. Even the circuit response of the original amp is simulated completely. The simulation extends not only to the response of the tone circuits, but also to the way in which the high frequency and gain are affected when you turn down the volume control of the guitar. Every detail has been faithfully reproduced. With up to fifteen hours of battery life, it's easy to take amPlug anywhere. In addition to practicing at home, it's a great way to warm up before a live performance or on the road. And amPlug is not just a convenient way to get great guitar sound. There's also an AUX input jack so you can jam along with your CD/MP3 player.
The main features of the VOX AMPLUG AC30 include:
- Plugs directly into your guitar, a great-sounding headphone guitar amp that gives you serious sound fast
- AUX in jack lets you jam along with your CD/MP3 player
- 100% analog circuit faithfully simulates the response of the original amps
- AC30 emulates the AC30 top boost sound of a vintage VOX AC30
- Up to 15 hours of battery life with two Alkaline AAA batteries
- Quick and easy setup! Just connect amPlug to your guitar and enjoy serious sound
- Dimensions (W x D x H): 86 x 80 x 31 (mm), 3.39 x 3.15 x 1.22 inches
- Weight: 40g /1.41oz. (not including batteries)
- Included items: two AAA zinc-carbon batteries
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