Monoprice

Monoprice 107604 Aramid Fiber In-Wall Speakers 6.5" Pair

4.5 (408 reviews)

Deliver room-filling 3-way sound from your walls with Monoprice's 6.5" aramid fiber in-wall speaker pair.

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Overview

The Monoprice 107604 Caliber Series in-wall speakers pack a full 3-way driver array into a flush-mount design that disappears into your walls. The 6.5-inch aramid fiber woofer handles low frequencies with minimal flex and distortion, while a 5.25-inch mica cone midrange driver takes over the vocal and instrument range. Up top, a 0.75-inch titanium silk membrane dome tweeter delivers smooth, extended highs without the harshness that cheaper tweeters can produce. This concentric mid/high arrangement helps create a more coherent soundstage, so audio arrives at the listener as a unified source rather than disjointed frequencies.

With 80 watts nominal power handling and a sensitivity rating of 89dB, these speakers get plenty loud with a modest receiver or amplifier. The 6-ohm impedance is worth noting — most modern AV receivers handle it without issue, but it's worth confirming before connecting. The frequency response extends from 50Hz to 20kHz, which covers the vast majority of music and movie content, though dedicated home theater users will still want a subwoofer for the deepest effects. Sold as a matched pair, the 107604 simplifies stereo or surround channel planning and keeps costs predictable for multi-room installations.

Key Features

DuPont Kevlar fiber cone drivers delivery clean bass reproduction, this lightweight transducer is a natural sound with significantly less distortion than conventional drivers.

Immerse yourself in airy detailed clarity with defined vocals and dialog from the pivoting titanium silk dome tweeters of these installed speakers.

Enjoy Caliber speakers as main home theater speakers and whole home house systems or add as surrounds and immersive sound sources.

No logo grills add to the minimal look and increases the “Wife Acceptance Factor”.

Buy confidently with a 30-day money-back guarantee and our 1-year warranty.

Specifications

Brand
Monoprice
Model
107604
Speaker Type
3-Way In-Wall
Woofer
6.5" Aramid Fiber
Midrange
5.25" Mica Cone
Tweeter
0.75" Silk Membrane Dome
Frequency Response
50 Hz – 20 kHz
Impedance
6 Ohms
Power Handling (Nominal)
80 Watts
Power Handling (Max)
160 Watts
Sensitivity
89dB ±2dB (1.0m/2.83V)
Sold As
Pair

Pros & Cons

👍 Pros

  • 3-way design with dedicated woofer, midrange, and tweeter delivers well-separated frequency reproduction.
  • Aramid fiber woofer provides a rigid, lightweight cone for reduced distortion at higher volumes.
  • 89dB sensitivity means they play loud without requiring an oversized amplifier.
  • Sold as a pair, simplifying purchasing for stereo installations.
  • Flush in-wall mounting eliminates floor space and creates a clean, built-in look.

👎 Cons

  • 6-ohm impedance is not compatible with all amplifiers and receivers without checking specs first.
  • Open-back design means sound can bleed into adjacent rooms without an aftermarket back box.
  • 50Hz low-end rolloff may leave bass-heavy listeners wanting a separate subwoofer.
  • In-wall installation requires cutting drywall, making placement essentially permanent.
  • No included grille paint or trim color options beyond the stock white.

Frequently Asked Questions

These are 6.5-inch in-wall speakers designed for standard in-wall installation. Check the included template or product documentation for the exact cutout dimensions before cutting into your wall.
Yes, with a 6-ohm impedance and 89dB sensitivity, they pair well with most home AV receivers. Confirm your receiver supports 6-ohm loads for optimal performance.
The 6.5-inch woofer uses aramid fiber, a lightweight yet rigid material that reduces distortion and delivers tighter bass response compared to standard paper cones.
No, these are open-back in-wall speakers that use the wall cavity as their enclosure. Adding an optional back box can improve sound isolation and bass performance.
The Monoprice 107604 handles 80 watts nominal and up to 160 watts peak, making them suitable for moderate to high-volume listening in most rooms.