
Monoprice 142829 Monolith THX-465IW In-Wall Speaker
Achieve Immersive Home Theater Sound with THX Certified In-Wall SpeakerThe Monolith THX-465IW In-Wall Speaker brings dynamic and detailed home theater audio to your listening space. THX Certified Ultra ensures this 3-way speaker delivers optimal frequency response, wide dispersion, and low distor...
*Price sourced from Amazon.com. Last updated:Jun 29, 2026.Price and availability are subject to change.
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Overview
Achieve Immersive Home Theater Sound with THX Certified In-Wall Speaker
The Monolith THX-465IW In-Wall Speaker brings dynamic and detailed home theater audio to your listening space. THX Certified Ultra ensures this 3-way speaker delivers optimal frequency response, wide dispersion, and low distortion. Featuring premium drivers, a precision crossover network, and an easy-to-install design, the Monolith THX-465IW offers an exceptional in-wall speaker solution.
- Brand: Monoprice
- Model: 142829
- Type: 3-Way In-Wall Speaker
- Certification: THX Certified Ultra
- Frequency Response: 37Hz ~ 20kHz
- Woofers: Four 6.5"
- Midrange: 50mm Silk Dome
- Tweeter: 25mm Silk Dome
- Color: Black
Key Features
Premium Drivers: High excursion woofers. Silk dome midrange. Silk dome tweeter. Featuring carefully selected drivers that deliver a flat frequency response in the listening window, the THX 465IW features four 6.5" woofers, a 50mm silk dome midrange, and a 25mm silk dome tweeter.
Precision Crossover Network: The THX speaker series features carefully selected fourth order Linkwitz Riley crossover network acoustic filters. These sophisticated crossovers minimize sonic frequency overlap, reduce distortion, and are an excellent choice to minimize off axis response errors near the crossover frequency.
Easy Install: The heavy duty dog ear mounting system makes for a fast and problem free installation. The magnetically detachable grille is powder coated in white and can be painted to match any decor.
Timbre Match: Same drivers. Same soundscape. Monolith THX Certified in wall and in room speakers utilize the same drivers and crossover components, allowing speakers to be mixed and matched to suit your room! Use in wall speakers for the rears and in room speakers for the LCR, and you will remain timbre matched across the Monolith THX family.
THX Certified Ultra: THX Engineers complete hundreds of different scientifically formulated tests to ensure the highest audio standards possible.
Specifications
Pros & Cons
👍 Pros
- THX Certified Ultra, ensuring it meets high audio performance standards after rigorous testing
- Features premium drivers, including high-excursion woofers and silk dome midrange and tweeter, for quality sound
- Equipped with a precision fourth-order Linkwitz Riley crossover network to minimize sonic frequency overlap and distortion
- Easy installation with a heavy-duty dog ear mounting system, facilitating a fast and trouble-free setup
- Timbre matched with other Monolith THX Certified speakers, allowing for seamless mixing and matching in a home theater system
👎 Cons
- As an in-wall speaker, it requires professional installation or comfort with DIY home modifications
- The white powder-coated grille may require painting to perfectly match specific room decor
- Requires existing wall space for installation, which might not be available in all room configurations
- The THX certification and premium components suggest a higher price point, potentially outside some budgets
- The in-wall design means it cannot be easily repositioned after installation for acoustic adjustments