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Pair of black ABS back enclosures for 8-inch ceiling speakers

Monoprice Inc.

Monoprice 111942 ABS Back Enclosure Pair for 4104 8in Ceiling Speaker

SKU CH-NTTP-WWRK8

ABS back enclosure pair improves bass response and sound focus for compatible 8-inch in-ceiling speakers

  • Product typeSpeakers
  • Product colorBlack
  • Product weight5.01
  • Key featuresUsing an enclosure improves bass response and the overall so
  • Improves bass response and tightens overall sound quality
  • Pre-stripped tinned wires simplify speaker connection
  • Flame-resistant ABS construction protects in-ceiling installations
  • Designed for Monoprice 4104 8-inch in-ceiling speakers
  • Lightweight 5.01 enclosure pair eases overhead mounting

Flame-Resistant ABS Enclosure Pair

This pair of ABS back enclosures is designed for the Monoprice 8-inch Fiber 2-Way In-Ceiling Speakers (PID 4104) or other speakers with identical dimensions. They provide a dedicated housing that helps protect the speaker internals within the ceiling cavity. The flame-resistant material meets safety requirements for in-ceiling installations. Installers and homeowners seeking improved acoustic performance will find these enclosures a practical addition.

Bass Response and Sound Focus

Using an enclosure improves bass response and the overall sound quality will be tighter and more focused. The sealed volume behind the driver reduces unwanted resonance from the ceiling void. This results in cleaner low-frequency output and better-defined midrange performance. The enclosures are supplied as a pair to match a stereo speaker set.

Pre-Stripped Wiring and Installation

The enclosure has pre-stripped and tinned wires inside for connecting to the speaker, simplifying the wiring process during installation. Each unit weighs 5.01 units and fits speakers sharing the PID 4104 dimensions. Builders who need enclosures for different speaker sizes or non-standard cut-outs cannot use this specific model. The pair is intended for new construction or retrofit projects where the ceiling cavity can accommodate the enclosure depth.

How it compares

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Price $38.99
Typical for this category: the median of 3,838 items is $41.99.

Specifications

Product
Brand nameMonoprice
Model name111942
Part number111942
Product typeSpeakers
Product colorBlack

Questions about this item

How do I install the Monoprice 111942 enclosure and connect the pre-stripped wires to my 4104 speaker?

Mount the flame-resistant ABS enclosure in the ceiling cavity above the speaker cut-out, then connect the pre-stripped and tinned internal wires directly to the speaker terminals, ensuring correct polarity for proper phase.

Will the ABS material or the pre-stripped wiring inside the 111942 enclosure degrade or need replacement over time?

The flame-resistant ABS construction is designed for long-term in-ceiling use without degradation, and the factory-tinned wire ends resist oxidation, so no scheduled maintenance or replacement of the enclosure itself is required.

What is the first limitation I will hit when driving the 4104 speaker hard inside this 111942 enclosure for extended periods?

The enclosure's internal volume and ABS wall thickness set the low-frequency extension limit; sustained high output will reach the speaker's mechanical excursion limit before the enclosure exhibits structural issues.

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