Monoprice Monolith THX-265B vs. Polk Audio TSi200

Monoprice Monolith THX-265B Bookshelf Speakers Polk Audio TSi200 Bookshelf Speakers
$800 $300
Dimensions (H × W × D)
15.40” × 9.70” × 11.40”
391mm × 246mm × 290mm
15.44” × 8.00” × 11.75”
392mm × 203mm × 298mm
Power Type
Passive Passive
Frequency Response
65-24,000 Hz 50-24,000 Hz

Key Takeaways

TLDR Summary: In the realm of high-fidelity audio, the Monoprice Monolith THX-265B and Polk Audio TSi200 bookshelf speakers serve listeners with distinct acoustic tastes. The Monolith THX-265B, backed by THX certification, is engineered for precision, offering a clean, flat response for a pure audiophile experience. The TSi200, on the other hand, delivers Polk's signature warmth, with an engaging sound profile that's friendly to a wider range of recordings. While the Monolith courts the analytical listener seeking cinematic detail, the TSi200 woos those craving a lush, room-filling performance without breaking the bank.

Speaker Comparison

When it comes to upgrading your home audio system, the speakers you choose become the literal vessels through which your music finds its voice. Today, we're looking at two contenders in the arena of bookshelf speakers: the Monoprice Monolith THX-265B and the Polk Audio TSi200. Both have their unique features and sonic signatures that could make or break your listening experience, depending on what you're looking for.

Diving into the Design

The Monoprice Monolith THX-265B speakers exude a sense of robustness with their dense construction and THX certification, which is a nod to a certain standard of sound quality and consistency. Their black wood grain finish is understated yet elegant. In contrast, the Polk Audio TSi200s sport a more traditional look with a slight retro feel, available in black or cherry wood finishes. The TSi200’s smaller footprint might give them an edge if space is a premium in your listening area.

Unpacking the Sound

Sound is, of course, the heart of the matter. The Monolith THX-265B speakers deliver an impressive clarity and a well-balanced sound profile that's hard to fault. Thanks to their THX certification, you're getting audio that adheres to high standards for home cinema experiences. Bass response is taut and controlled, making these speakers a great option for a variety of genres.

On the other hand, the Polk Audio TSi200s present a warmer sound that leans towards a more vibrant midrange. This characteristic makes them particularly inviting for vocal-centric tracks and acoustic performances, where the nuances of the human voice and stringed instruments shine through. Their bass is decent, but might not satisfy those looking for the punch and rumble in bass-heavy tracks without the aid of a subwoofer.

Polk Audio TSi200 Bookshelf Speakers
Polk Audio TSi200 arrow (at

Power and Performance

Delving into the technical side, the Monolith THX-265B's are a bit more demanding in terms of power. They function optimally when paired with a robust amplifier that can deliver the juice they need to reveal their full potential. This requirement is something to consider for those who are new to the audiophile world or are working with a limited amplifier budget.

The TSi200s, in contrast, are more forgiving with amplification. They have a higher sensitivity, which means they can deliver louder volumes with less power. This makes them a more versatile choice for various setups and a friendlier option for those who might not have a high-powered amp at their disposal.

Furthermore, the Monolith THX-265B's are engineered to handle a wider frequency range, which means they can reproduce a broader spectrum of sounds with precision. This attribute is particularly noticeable in the lower frequencies, where the Monoliths manage to maintain definition without muddiness.

Conversely, the Polk Audio TSi200's may not have the same breadth in frequency response, but what they do within their range, they do well. Their particular tuning gives life to music with a lush, inviting character that many listeners will appreciate, even if it lacks the low-end extension of the Monoliths.

In conclusion, choosing between the Monoprice Monolith THX-265B and the Polk Audio TSi200 bookshelf speakers comes down to your personal preferences and the specifics of your audio system setup. The Monoliths offer precision and a THX-certified cinematic experience, while the Polks provide a warm and inviting sound with easier amplification demands. Both sets of speakers have their own merits, and either could be the perfect match for bringing your favorite music to life.

Check Current Prices:

Monoprice Monolith THX-265B Bookshelf Speakers
Monoprice Monolith THX-265B Bookshelf Speakers
Polk Audio TSi200 Bookshelf Speakers
Polk Audio TSi200 Bookshelf Speakers

Affiliate Disclosure: As an Amazon Associate, we earn from qualifying purchases.

Disclaimer: the speaker data listed on this website are correct to the best of our knowledge, but we do not guarantee the accuracy of the data. Please double-check any measurements with the manufacturer before making a final purchasing decision.