Monitor Audio IV140 Invisible In-Wall Speaker

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 IV140 Invisible In-Wall Speaker

The Monitor Audio IV140 invisible speaker is designed to deliver ‘best in class’ audio performance in concealed in-wall and in-ceiling applications.

Concealed in-wall or in-ceilings, the speaker fits into all conventional 4" stud bays, leaving enough room for cabling. Once installed and skimmed with plaster, the speaker is completely out of sight, with paint, light wallpaper or fabric hiding it from view.

A large low-frequency transducer and two high frequency transducers provide punchy, high power bass and sound vibration. This two-way transducer design also features an integrated crossover to generate a wider frequency range and deliver crystal clear sound quality with smoother overall balance and character.

An integrated back box design isolates sound and ensures consistent, controlled performance. This rigid back box reduces sound emitted from the rear of the speaker, minimising leakage into other rooms.

Monitor Audio’s IV140 is protected against overload by automatic re-setting circuit breakers (PTC). These will attenuate output for a specific time period to allow the system to cool until normal operation can safely resume.


  • 2-way system with integrated crossover
  • Pre-construction speaker designed to be plastered in to create ‘invisible’ appearance
  • Low-frequency transducer, featuring high power ceramic magnetics and 40 mm voice coil
  • Dual High-frequency transducers, incorporating high power Neo magnets and 30 mm voice coils
  • Rigid MDF back box construction
  • Integrated ‘hybrid’ controlled performance back box system – Fully sealed or open-back
  • High Quality crossover – including metallised film capacitors and low loss steel core inductors
  • Protected against overload by PTC’s (automatically re-setting breakers)
  • Ideal for home cinema, distributed audio, hospitality, retail and commercial background music applications (where visible discretion is key)
Frequency Response (-6 dB)75 Hz — 18 kHz (CP sealed), 55 Hz — 18 kHz (Open back)
Maximum SPL102.8 dBA
Drive Unit Complement1 x Low-Frequency transducer, 2 x High-Frequency transducer
Cut-Out Dimensions591 x 350.5 mm (231/4 x 1313/16")
Fixing TypeSelf-tapping screw
Pre-Construction BracketWBIV140 Pre-Construction Bracket
Sensitivity (1W@1M)82 dB (when installed as directed)
Power Handling (RMS)50 Watts (full range – IEC268-5 rating) 100 Watts Music program (Using Minimum 80Hz High Pass filter)
Overall Dimensions (Including Grille (H x W x D))642 x 401.5 mm (251/4 x 1513/16")
Mounting Depth94 mm (311/16")
Construction Material9 mm MDF
Weight9 kg (20 lb)
Nominal Impedance8 ohms
Recommended Amplifier Requirements20-50 Watts (full range) 20-100 Watts (Using Minimum 80 Hz High Pass filter)
Overall Depth106 mm (43/16")
ConnectionSprung push type terminals – Gold plated
Colour / FinishBlack painted, white membrane
Sold AsSingle Unit

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