Monoprice Monolith THX-265B vs. Polk T50

Monoprice Monolith THX-265B Bookshelf Speakers Polk T50 150 Watt Tower Speakers
$800 $400
Dimensions (H × W × D)
15.40” × 9.70” × 11.40”
391mm × 246mm × 290mm
36.50” × 9.25” × 8.75”
927mm × 235mm × 222mm
Power Type
Passive Passive
Frequency Response
65-24,000 Hz 38-24,000 Hz
ASR Score
n/a 3.7
ASR Score w/Subwoofer
n/a 5.7

Key Takeaways

TLDR Summary: In the realm of immersive audio, the Monoprice Monolith THX-265B bookshelf speakers and Polk T50 tower speakers serve different masters. The THX-265B, with its THX certification, promises a cinematic experience in a compact form, offering precision and a sound that punches well above its weight. In contrast, the Polk T50s bring the traditional tower form factor, aiming to fill the room with their 150-watt power handling, and offering a warm and rich sound profile that's friendly to a variety of genres. Deciding between them is a matter of space, taste, and whether you prioritize movie theater accuracy or musical warmth.

Speaker Comparison

When it comes to selecting speakers for your home audio setup, the Monoprice Monolith THX-265B Bookshelf Speakers and the Polk T50 150 Watt Tower Speakers are two options that stand out in their respective categories. The Monoprice Monolith THX-265B represents a triumph of engineering, aiming to deliver a premium audio experience at a price point that doesn't require you to pawn family heirlooms. On the flip side, the Polk T50 Tower Speakers are a testament to the brand's commitment to affordability without skimping on performance. This comparison seeks to uncover the nuances that set these two contenders apart.

Design and Build Quality

Visually, the Monoprice Monolith THX-265B speakers showcase a robust and no-nonsense design, featuring a textured black wood veneer that's both elegant and discreet. As bookshelf speakers, they offer the versatility to fit into smaller spaces without dominating your décor. The Polk T50s, towering over their Monoprice counterparts, have a slender footprint that's equally at home in a modern living room. With a wood grain finish and a removable grill, these floor-standing speakers make a statement without being ostentatious. Both sets of speakers are well-crafted, but the Monoprice Monolith feels a notch above with its THX certification, implying a rigorous standard of quality.

Sound Quality

The Monoprice Monolith THX-265B gives you a sound that punches well above its weight class. Armed with THX certification, these bookshelf speakers deliver a level of precision and clarity that is exceptionally satisfying, especially for their size. The bass response is tight and controlled, while the highs are crisp without being harsh, and the midrange is articulate, enabling vocal and instrumental nuances to shine through. Conversely, the Polk T50s, while lacking the THX certification, boast a warm and inviting sound. They have an expansive soundstage that's well-suited for movies and general listening, but audiophiles might note that the T50s can't quite match the Monolith's detail retrieval or tonal accuracy.

Power and Performance

Regarding power handling, the Monoprice Monolith THX-265B is surprisingly capable for its size, handling up to 100 watts of power. This makes them well-suited for a variety of amplifiers and receivers, allowing these speakers to perform robustly at both low and high volumes. The Polk T50s, with their tower design, have an advantage in sheer volume and presence, capable of filling a room with ease. The T50s' power handling peaks at 150 watts, giving them a bit more headroom, but it's crucial to note that it's not just about wattage. The THX-265B, with its meticulous THX tuning, may offer a more balanced and impactful sound across a wide range of volumes.

Polk T50 150 Watt Tower Speakers
Polk T50 arrow (at

Value Proposition

Finally, value is a significant factor in any speaker comparison. The Monoprice Monolith THX-265B speakers, while not the cheapest on the market, present an excellent value proposition for the discerning listener who wants a near-reference experience without breaking the bank. The Polk T50s, on the other hand, are a budget-conscious option that provide an immersive listening experience at an entry-level price point. They offer a compelling choice for those new to the audio world or anyone looking for solid performance without a steep investment. The Monoprice speakers might require a larger initial outlay, but for those who prioritize sound quality and accuracy, the investment is well justified.

Check Current Prices:

Monoprice Monolith THX-265B Bookshelf Speakers
Monoprice Monolith THX-265B Bookshelf Speakers
Polk T50 150 Watt Tower Speakers
Polk T50 150 Watt Tower Speakers

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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.