Monoprice

Monoprice 104104 Caliber Series 8" In-Ceiling Speakers

4.1 (39 reviews)
8" In

8-inch Kevlar-cone in-ceiling speakers with pivoting titanium silk dome tweeters and a discreet, logo-free grille design.

$89.35*$129.99Save 31%
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*Price sourced from Amazon.com. Last updated:Jun 28, 2026.Price and availability are subject to change.

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Overview

The Monoprice Caliber Series 104104 is an 8-inch in-ceiling speaker pair designed to deliver high-fidelity audio while virtually disappearing into your ceiling. The woofer employs a DuPont Kevlar (aramid) fiber cone backed by a 30oz magnet and rubber surround, a combination that produces clean, well-controlled bass with significantly less distortion than conventional cone materials. Handling the high frequencies is a 3/4-inch titanium silk dome tweeter mounted on a pivot that swivels up to 20 degrees, letting you aim the treble toward your primary listening position even when the speaker can't be centered directly overhead.

With a frequency response spanning 43 Hz to 20 kHz, 89 dB sensitivity, and power handling of 80 watts nominal (160 watts peak), these speakers are capable enough to serve as main home theater channels, surround speakers, or distributed whole-home audio sources. The 12 dB per octave crossover includes a tweeter level switch (-3dB/-6dB) for fine-tuning brightness to suit your room's acoustics. Installation requires a 9.8-inch cut-out with 3.5 inches of mounting depth, and the logo-free grilles ensure a clean, minimal ceiling profile that blends with any decor.

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 and our 1-year

Specifications

Brand
Monoprice
Model
104104
Series
Caliber
Speaker Type
8-inch In-Ceiling
Woofer
8-inch Aramid Fiber Cone, 30oz Magnet, Rubber Surround
Tweeter
3/4-inch Titanium Silk Dome (pivoting, 20° swivel)
Frequency Response
43 Hz – 20 kHz
Impedance
8 Ohms
Power Handling
80W Nominal / 160W Maximum
Sensitivity
89 dB ± 2 dB (1.0m / 2.83V)
Crossover
12 dB per octave with -3dB / -6dB switch
Cut-Out Diameter
9.8 inches
Overall Diameter
11.3 inches
Mounting Depth
3.5 inches

Pros & Cons

👍 Pros

  • Kevlar aramid fiber woofer cone delivers clean bass with lower distortion than conventional paper or polypropylene drivers
  • Pivoting titanium silk dome tweeter allows 20-degree directional aiming toward the listening position
  • Logo-free grilles provide a discreet, unobtrusive ceiling appearance
  • 43 Hz low-end extension is strong for an 8-inch in-ceiling design, reducing the need for a subwoofer in casual listening
  • Crossover includes a -3dB/-6dB switch for tweeter level adjustment to match room acoustics

👎 Cons

  • 3.5-inch mounting depth requires adequate ceiling cavity space, which may be limited in some installations
  • 8-ohm impedance limits the number of speakers that can be daisy-chained on a single amplifier channel
  • 160-watt maximum power handling may not satisfy very large rooms or high-output home theater setups
  • Sold as a pair without any mounting hardware beyond basic clips, so additional retrofit bracing may be needed in older ceilings

Frequently Asked Questions

The woofer uses a DuPont Kevlar (aramid) fiber cone with a 30oz magnet and rubber surround, while the tweeter is a 3/4-inch titanium silk dome that pivots up to 20 degrees for directional aiming.
The Caliber 104104 covers 43 Hz to 20 kHz with a nominal impedance of 8 ohms. Power handling is 80 watts nominal and 160 watts maximum.
The required cut-out diameter is 9.8 inches, with an overall speaker diameter of 11.3 inches and a mounting depth of 3.5 inches.
No, the grilles are logo-free for a clean, minimal appearance that blends with ceiling surfaces without drawing attention to the speakers.
Yes, the titanium silk dome tweeter pivots up to 20 degrees, allowing you to direct high-frequency sound toward the primary listening area even when the speaker is mounted off-center.