Power Studio HA 7
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Essential Information About the HA 7 Headphone Amplifier
Essential Information About the HA 7 Headphone Amplifier
- Ultra-compact format designed for In-Ear monitoring, easy to wear thanks to the belt clip
- Lockable combo XLR/Jack input for a reliable connection, even in stage conditions
- 3.5 mm mini-jack output ideal for earphones and In-Ear systems
- Approximately 12 hours of autonomy on 2 AAA batteries (not included): practical for rehearsals, performances, and mobility
Manufacturer Information
Power Studio
https://www.sogetronic.fr
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A Headphone Amplifier Dedicated to Simple and Effective In-Ear Monitoring
The HA 7 is designed to meet a very specific need: to have a compact and autonomous headphone amplifier for In-Ear monitoring. Its approach is straightforward, with field-oriented connectivity (lockable combo XLR/Jack input) and direct controls. The goal is clear: to provide a stable monitor mix with easily adjustable volume, housed in a discreet unit that goes unnoticed once clipped to the belt.
Who Benefits from the HA 7 and in What Situations It Makes a Difference
The HA 7 is aimed at musicians and technicians who want reliable monitoring without bulk: singers, drummers, keyboardists, guitarists, or even conference speakers. It is especially suitable when using In-Ear earphones and needing volume control at hand, without relying on a rack or mains power supply.
During rehearsals, it allows maintaining clear listening at a controlled level. On stage, it helps secure monitoring thanks to the lockable connector and the mono/stereo mode that quickly adapts to the source sent (mono return from a console or stereo mix depending on the setup).
Immediate Control, Battery Life, and Mono/Stereo Adaptability
Built-in Stereo/Mono Switch
The HA 7 features a stereo/mono selector that simplifies adaptation to the console or available monitor system. This is crucial in real situations: you can quickly switch to the most appropriate option depending on the source, without having to modify the entire audio chain.
Volume Control with On/Off Switch
The volume potentiometer includes an on/off switch for quick startup and simple power management. The operation is intuitive: plug in, turn on, adjust your level, and focus on the performance.
Mobility: Battery Power and Belt Clip
Powered by 2 AAA batteries (not included) with an approximate 12-hour battery life, the HA 7 is designed for long sessions without constraints. The belt clip enhances portability and security: the amplifier remains accessible, the cable is better managed, and the risk of accidental disconnection is reduced.
Technical specifications
| Number of channels | 1 | Color | Black |
| Rackable | No | ||
| Impedance | 0.5 ohm | Dimensions | 33 x 38 x 132 mm |
| Maximum power | 2 x 100 mW at 16 ohms | Weight | 0.140 kg |
| Battery life | approximately 12 hours | ||
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Questions frequently asked
Does the Power Studio HA 7 work with a mono or stereo feed?
A mono/stereo selector allows adaptation to a mono console feed or a stereo mix.
What is the battery life of the HA 7 headphone amplifier?
It is powered by 2 AAA batteries (not included). The stated battery life is about 12 hours.
What input connection is used for In-Ear monitoring?
The lockable XLR/Jack combo input secures the connection to the return source. This connector is designed to prevent accidental disconnections on stage. The volume is adjustable directly on the unit.
What output power does this headphone amplifier deliver for In-Ear monitors?
The maximum power is 2 x 100 mW at 16 ohms, with an impedance of 0.5 ohms.
Can the HA 7 be worn on the belt on stage?
With dimensions of 33 x 38 x 132 mm, this model features a belt clip. It weighs 0.140 kg.
