JTR Speakers Captivator S2 vs JTR Speakers Captivator 2400ULF

Short answer: the JTR Speakers Captivator 2400ULF, if you are buying new. The JTR Speakers Captivator S2 ranks higher than it (#9 vs #47 of 143 subwoofers, 4.5/5 vs 4.2/5) but is discontinued, so only consider it used; the JTR Speakers Captivator 2400ULF is still sold new at $3,600.

The case for the JTR Speakers Captivator S2: A tall sealed subwoofer with two 18 inch drivers and serious deep bass output for demanding movies in a large room. Watch for: The 1016.0H x 533.4W x 457.2D mm cabinet and 220 lbs (99.8 kg) mass make this a serious placement and moving commitment.

What the JTR Speakers Captivator 2400ULF does well: A tall 18 inch ported subwoofer tuned for very low bass, with strong output for large home theaters. The catch: The 1041.4H x 520.7W x 571.5D mm cabinet and 164.9 lbs (74.8 kg) mass make this a serious placement and moving commitment.

Buy the JTR Speakers Captivator 2400ULF new; the JTR Speakers Captivator S2 is no longer sold new, so it only makes sense as a used find.

Looking for alternatives? See the complete Subwoofers rankings.

Prices on this page were last checked October 31, 2026 at 7:11 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

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