SKU: 51758637258

Martin Audio A40TB 4 Inch Passive Two-way On-wall Loudspeaker with 70/100V Transformer

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Description

Martin Audio A40TB 4 Inch Passive Two-way On-wall Loudspeaker with 70/100V TransformerThe Martin Audio A40TB 4 Inch Passive Two way On wall Loudspeaker with 70 100V Transformer is a two way passive speaker with an elegant design that is perfect for architectural environments that require high fidelity sound from an unobtrusive, ultra compact enclosure. It brings class leading performance, reliability and value to a wide range of commercial sound applications from retail outlets, bars and restaurants to corporate offices and convention

The Martin Audio A40TB 4 Inch Passive Two-way On-wall Loudspeaker with 70/100V Transformer is a two-way passive speaker with an elegant design that is perfect for architectural environments that require high-fidelity sound from an unobtrusive, ultra-compact enclosure. It brings class-leading performance, reliability and value to a wide range of commercial sound applications from retail outlets, bars and restaurants to corporate offices and convention centers.

The A40T is the perfect choice for background and foreground systems which require superior performance. Its Martin Audio signature sound characteristic also provides a seamless sonic transition within a multi-zoned complex using larger Martin Audio systems such as CDD or Blackline X. Comprising a 4” (100mm) LF driver and a 0.75” (19mm) silk-dome HF driver on a 110° x 80° horn, it handles 40W AES, 160W peak and can produce 109dB peak output at 1 meter. It has a smooth frequency response and strong bass reproduction that extends down to 70Hz.

The A40T incorporates a high-quality transformer for 70V/100V line operation, with transformer taps selected by a rotary switch. The recommended amplifier is the VIA5002 in conjunction with a suitable line transformer. For full-bandwidth protection, the low and high-frequency sections are individually protected against overload. Available in black or white as standard, it can be readily painted to match any décor, and can be wall-mounted vertically or horizontally using the wall bracket supplied. In addition, for general outdoor use the cabinet only requires the additional waterproof connector cover.

The VIA5002 amplifier in combination with a Martin Audio DX0.5 controller will be perfect partners for small scale efficient installations, or with the DX4.0 controller for larger more complex installations, which could then also be managed by Martin Audio’s VU-NET control software platform. The Martin Audio SX110 subwoofer will extend the bandwidth of ADORN on-wall speakers and is ideal for foreground music applications which require increased impact and low frequency performance.

Product Specification:  

Type: Ultra-Compact passive two-way system, front ported bass reflex

Rated Power: 40W AES, 160W peak

Recommended Amplifier: VIA5002 [In conjunction with suitable line transformer]

Sensitivity: 87dB/1W/1m

Maximum SPL: 109dB peak

Nominal Impedance: 16Ω

Dispersion (-6DB): 110° H x 80° V

Crossover: 3kHz passive (LF and HF auto-resetting fuses)

Recommended High-Pass Filter: 60Hz 24dB/oct

Enclosure: ABS, UL 94V-0 rated

Finish: Black

Grille: Perforated steel

Connectors: Push Terminals

Fittings: Wall bracket included

Dimensions: (W) 4.9in X (H) 7.9in X (D) 4.5in

Weight: 4.7lbs

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 51758637258

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Aaron
Cuba, US
★★★★★ 5
Unexpected treat!!
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This gum tastes absolutely amazing. And doesn't leave that nasty gritty film on your teeth that you expect from most gums. It was a real unexpected treat.
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Reviewed in the United States on December 14, 2025
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Charli
Battle Creek, US
★★★★★ 4
Short lived flavor and still kinda hurt my sensitive teeth
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Good flavor but short lived
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Reviewed in the United States on April 5, 2026
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Susanna Schuster
Lexington, US
★★★★★ 5
Addictive, Clean Ingredient Gum That Feels Healthier
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Very enjoyable flavor with clean, healthy ingredients. Feels like a healthier alternative to typical gum and is highly satisfying. Price is not bad for quantity. Makes my breath smell good and fresh.
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Reviewed in the United States on April 30, 2026
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Sue Cummins
Natrona Heights, US
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Great taste.
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Great tasting gum and keeps my mouth fresh and moist.
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Karizma20
Alexandria, US
★★★★★ 3
Disappointing Chew
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Starts out with a burst of flavor that quickly fizzles out and texture is grainy and unpleasant
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Reviewed in the United States on December 5, 2025

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