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Meyer Sound MM-4XP Miniature Loudspeaker - White

Miniature loudspeaker for installations and distributed systems - IntelligentDC power, white enclosure

Product Description

The Meyer Sound MM-4XP Miniature Loudspeaker is designed for high-quality distributed systems. Housed in a compact aluminum enclosure, the MM‑4XP is especially suitable for installations involving space limitations and visibility concerns, such as fill and spot coverage, and hidden locations like chancel steps in houses of worship. Its flexible and easy-to-configure mounting options, as well as its ability to effortlessly reproduce both speech and music, make it an excellent choice for fixed applications, theatrical presentations (stage lip front fill), and small portable systems for corporate AV.

The MM‑4XP’s proprietary 4-inch cone transducer with onboard amplification and signal processing, manufactured at Meyer Sound’s Berkeley, California factory, delivers an impressive linear peak SPL of 111.5 dB with crest factor >16.5 dB3 and a wide operating frequency range of 120 Hz to 18 kHz with very low distortion. The MM‑4XP exhibits the same high intelligibility and flat frequency and phase responses for which all Meyer Sound loudspeakers are known. Peak and RMS limiters regulate loudspeaker temperatures and excursion, ensuring the MM‑4XP performs exceedingly well even when driven into overload.

With IntelligentDC technology, the MM‑4XP receives power and balanced audio from a SwitchCraft® EN3™ 5-pin male input connector on its rear panel. The sealed EN3 connector provides protection against harsh environmental conditions for outdoor installations of the MM-4XP. Meyer Sound designed the MM‑4XP’s amplifier and signal-processing circuits to store DC power and tolerate voltage drops, thereby accommodating light-gauge cables and long cable runs.

MM-4XP loudspeakers require a Meyer Sound external power supply. The compatible MM‑10 ACX miniature self-powered subwoofer includes onboard DC power and audio routing for driving a pair of MM‑4XP miniature loudspeakers. The MPS‑488HP IntelligentDC power supply is ideal for larger installations with multiple loudspeakers; the single-space rack-mount unit distributes DC power and balanced audio to up to eight MM‑4XP loudspeakers or other compatible Meyer Sound low-voltage loudspeakers. Another option is the 1RU, 1/2 width rack-mount MPS-482HP IntelligentDC power supply that offers two channels of audio and DC power.

The Meyer Sound power supplies can deliver DC power to MM‑4XP loudspeakers at cable lengths up to 300 feet with just 1 dB of loss in peak SPL using 18 AWG wire. The use of composite multi-conductor cables (such as Belden® 1502 or equivalent) allows a single cable to carry both DC power and balanced audio to the MM‑4XP. Longer cable lengths are possible for moderate applications that do not drive the loudspeakers to maximum output, or for installations with heavier gauge wire. Powering the MM‑4XP from a unipolar external power source reduces induced noise significantly and eliminates the need for wiring conduits. The MM‑4XP’s extruded aluminum enclosure acts as a heat sink to dissipate heat from the driver’s voice coil.


  • Extremely compact enclosure
  • Self-powered
  • Wide-range frequency response
  • Ultra-low distortion
  • Effortless reproduction of both speech and music
  • Exceptional SPL to size ratio
  • Support for long cable runs with light-gauge cables

Product Specifications

Condition New
Package Contents Meyer Sound MM-4XP Miniature Loudspeaker - White
Width 4.04 in
Depth 5.72 in
Height 4.04 in
Unit Weight 4.2 lb
Active or Passive Active
Driver Sizes 4 in
Amp Wattage 440 w
Frequency Range 120 Hz – 18 kHz
Max. SPL 111.5 dB with crest factor >16.5 dB (M-noise), 109 dB (Pink noise), 111 dB (B-noise)
Finish White

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I would like to thank VK for the wonderful sales assistance, service and prices. This was my first purchase with you and it won't be my last. I only wish I'd discovered you years ago!
Matthew R.
I had two Grammy wins this year - Ray LaMontagne & Carolina Chocolate Drops. Both made with help from Vintage King!
Ryan F.
In almost 20 years in Pro audio buying, never did I receive a unit so well packed and exactly as described. Works flawlessly. The whole process has been so smooth. I will never hesitate to do business with you guys in the future and will recommend you to everyone I know.
Martin C.
This was my first experience buying something from Vintage King (although I surf the "used" categories on the website frequently!), and, despite being on the other side of the world, I had absolutely no trouble and everything went very smoothly.
Phil T.
The speed of delivery exceeded my expectations! I was VERY pleased that my shipment arrived in time for a scheduled vocal tracking session. The packing insured that my order arrived safely. And the sales staff responded quickly to questions regarding the product.
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