The A77H is a true three-way midfield monitor that capitalizes on the latest ADAM Audio technologies to deliver a rich, spacious, and enveloping sound.

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Incorporating two 7-inch woofers, a midrange driver, and ADAM Audio’s X-ART tweeter, the A77H delivers an ultra-wide frequency range.

The addition of the midrange driver helps produce clear sound in the most sensitive range of human hearing. Rotatable HPS waveguide technology and onboard DSP allow you to tune the sound for your precise requirements.


German Handmade Precision X-ART Tweeter with rotatable HPS waveguide

3.5" DCH Midrange Driver

2 x 7'' Woofer (Multi-Layer Mineral)

Total Peak Amp. Power: 340 W

Frequency Response @ -6 dB: 34 Hz – 45 kHz

Max. peak SPL per speaker at 1 m: 106 dB SPL


Explore the technology

ADAM Audio monitors have earned a worldwide reputation for the innovations that we have established in the field of loudspeaker technology. Here you can explore the technology of the A77H.

A Control Remote Software

The DSP-based functionality of all A Series monitors can be controlled remotely and in real time over ethernet using A Control.
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Rotatable HPS Waveguide & X-ART Tweeter

Made from a new glass fiber polymer compound, the HPS waveguide enables the X-ART tweeter to disperse sound in space with controlled consistency.
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Bass Reflex System, Cabinets and Mounting

The new A Series cabinets build on the heritage of ADAM Audio and the AX Series in particular.
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Automated Room Correction with Sonarworks

ADAM Audio is proud to partner with Sonarworks on an automated room correction solution that runs directly on the DSP of A Series monitors.
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Hybrid Amplification

The A Series combines the best of both digital and analog worlds.
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Multi-Layer Mineral Woofer [MLM]

The latest materials and advanced analysis and design processes have led to the development of our new long-throw woofers.
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Midrange Driver

A Series midrange drivers deliver clean sound in the critical part of the frequency range where humans are especially sensitive to coloration of sound.
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A “Voicing” is a pre-defined sound profile of an A Series monitor. On the back panel, you will find two different selections, “UNR” and “Pure”.
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Room Adaptation

On the back panel of A Series speakers, you will find four bands of room adaptation equalization: Bass, Desk, Presence and Treble.
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Digital Signal Processing

The A Series capitalizes on the transformative power of DSP-based electronics to provide greater tuning precision than analog-only speakers.
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Beautiful from every angle

Front View

The front-facing LED indicates status changes, e.g. when using A Control

Angled front view [left]

The A77H uses a dual front ported bass reflex system

Back View

The backplate houses a great variety of control options

Angled front view [right]

A mounting interface at the bottom of the cabinet allows for flexible speaker positioning



Finger drummer and producer Beats by JBlack talks creativity and how different spaces influence it.

The reviews are in

“Overall, the A77H’s frequency response is incredibly neutral and transparent. […] Also, the monitor is capable of playing at extreme volumes without any hint of harmonic distortion.”

Brandon Schock
Higher HZ
“The ADAM A77H is a very good midfield monitor, that can convince even the most critical ear through its high fidelity and spatial reproduction capabilities. The name ‘studio monitor’ is well deserved!”
Harald Wittig
Professional Audio

Don't sweat it.

A 5 year warranty is standard across our entire product portfolio, allowing you to work without worrying about your gear.

ADAM Audio A77H In Use


Technical Data

View the specifications of the ADAM Audio A77H by clicking each drop-down section.

  • General Data

    • Display: Front panel multi-color LED
    • Cabinet Design: Dual front ported
    • Cabinet Material: Vinyl wrapped MDF and painted MDF front panel
    • Mounting options: Threaded inserts on the bottom of the cabinet (4 x M8)
    • Power consumption (max, idle, sleep): 220 W, 15 W, 3.5 W
    • AC Input Voltage: 100 – 240 V, 50/60 Hz
    • Power Rating: 500 W max.
    • Operating Conditions: -10° C to +40° C (+14° F to +104° F); <75 % RH, non-condensing
    • Weight: 17.1 kg (37 lb 11 oz)
    • Dimensions (Height x Width x Depth): 236 mm x 531 mm x 350 mm (9 1/4″ x 20 7/8″ x 13 3/4″)
    • Warranty: 5 years (2 years warranty plus 3 years optional with product registration)
    • Delivery Contents: A77H loudspeaker, power cable, Quick Start Guide

  • Audio Input Connectors

    • Analog: XLR, RCA
    • Input Impedance: 9 kOhm / 3.3 kOhm
    • Max. Input Level: +19 dBu

  • Amplification

    • Woofer
      • Amplifier Type: PWM
      • Peak (10% THD, limiter deactivated): 250 W
      • RMS (1% THD, limiter deactivated): 200 W
    • Midrange
      • Amplifier Type: Class A/B
      • Peak (10% THD, limiter deactivated): 70 W
      • RMS (1% THD, limiter deactivated): 55 W
    •  Tweeter
      • Amplifier Type: Class A/B
      • Peak (10% THD, limiter deactivated): 20 W
      • RMS (1% THD, limiter deactivated): 15 W

  • Control Options [via Network]

    • Networking Connector: RJ45
    • Connection Type: Ethernet
    • Communication Protocol: OCA using standard IP data
    • Control Software: A Control (Windows and MacOS available)
    • Room Adaption Options: Backplate, Extended, Sonarworks SoundID Reference integration
    • Advanced Room Adaptation: 6 x PEQ, Level, Delay
    • Third-party Calibration Compatibility: Import from Sonarworks SoundID Reference

  • Acoustics

    • Frequency Response @ -3 dB: 37 Hz – 41 kHz
    • Frequency Response @ -6 dB: 34 Hz – 45 kHz
    • Crossover Frequencies: 400 Hz, 3.0 kHz
    • Max. peak SPL per speaker at 1 m (sine bursts): 106 dB SPL
    • Max. peak SPL per speaker at 1 m (IEC-weighted noise): 118 dB SPL
    • Max SPL in full space at 1 m with sine bursts (average 100 Hz to 6 kHz) @ 3% THD (RMS): 105 dB SPL
    • Max SPL in full space at 1 m with sine bursts (average 100 Hz to 6 kHz) @ 3% THD (Peak): 108 dB SPL
    • Max SPL in full space at 1 m with sine bursts (average 50 Hz to 100 Hz) @ 3% THD (RMS): 99 dB SPL
    • Max SPL in full space at 1 m with sine bursts (average 50 Hz to 100 Hz) @ 3% THD (Peak): 102 dB SPL
    • Dolby DARDT max SPL in full space: 118 dB SPL
    • Dolby DARDT max SPL in full space (bass managed): 120 dB SPL

  • Drivers

    • Woofer
      • Basket Diameter: 2 x 7″
      • Voice Coil Diameter: 1.5″ (38 mm)
      • Cone Material: MLM
    • Midrange
      • Type: Dome Cone Hybrid (DCH)
      • Basket Diameter: 3.5″
      • Voice Coil Diameter: 1.3″ (33 mm)
      • Cone Material: MLM
    •  Tweeter
      • Type: X-ART
      • Diaphragm Area: 4 inch² (2420 mm²)
      • Equivalent Diaphragm Diameter: 2″ (56 mm)
      • Velocity Transform Ratio: 4 to 1
      • Diaphragm Weight: 0.17 g
      • Waveguide: HPS (rotatable)
      • Waveguide Dispersion: 120° horizontal, 70° vertical

  • Signal Processing

    • AD converter: 24-bit
    • Internal sample rate: 96 kHz
    • Delay range, resolution: 0 – 10 ms, 0.1 ms
    • Protection: Independent peak and thermo limiters for each driver, and amplifier thermo limiters

  • Control Options [via Backplate]

    • Input Sensitivity: 0 dBu = 100 dB SPL at 1 m @ 0 dB level setting
    • Level: -12 dB to +12 dB
    • Input Selection: Balanced, unbalanced
    • Voicings: Pure, UNR
    • Room Adaption:
      • Bass: +2, 0, -2, -4 dB
      • Desk: 0, -2, -4 dB
      • Presence: +1, 0, -1 dB
      • Treble: +1.5, 0, -1.5 dB


Measurement Data

Here you can view the results of common loudspeaker measurements for the ADAM Audio A77H.


Additional Information

Read up on the user manual, the quick start guide or take a look at the product sheet.

Press Reviews

Higher Hz [English]
VideoTapeGeneration [Korean]
NoteYourVision [German]
Space One [Korean]
FireWalk [English]
DJ Lab [German]
Barry Johns Studio Talk [English]
bonedo.de [German]
professional Audio [German]
exound [Chinese]