Different kinds of product: one is active with its amplifier built in, the other passive and needs one. Judge them on how you want to own the system, not just the specs.
| Area | Better | Why |
|---|
| Bass | A | SVS Prime Tower digs deeper - 30Hz against 52Hz. |
| What you buy | depends | SVS Prime Wireless is a complete system - just add a source. SVS Prime Tower also needs an amplifier: more money and another box, but you choose it. |
| Connections | depends | SVS Prime Wireless has Bluetooth, Wi-Fi and streaming built in. With SVS Prime Tower that all comes from the amplifier you pair it with. |
| Upgrade path | depends | SVS Prime Tower can be re-amped later and outlive several amplifiers; SVS Prime Wireless ages as one unit. |
| Size | depends | SVS Prime Wireless is easier to place; SVS Prime Tower is bigger, which usually goes with fuller bass. Your room decides. |
| Type | depends | A Passive Floor-standing against a Powered Bookshelf - a different job rather than a better one. |
| Expandability | B | SVS Prime Wireless: a sub output. |
| Price | B | SVS Prime Wireless is cheaper - $449 against $1,400, about 68% less; arguably a different class. And that is the whole system. |
A SVS Prime Tower B SVS Prime Wireless
depends neither is better in the abstract - it turns on your room, your system or how you will use them. Only specs published for both speakers are judged; anything missing on either side is left out rather than guessed.
Which should you choose?
SVS Prime Wireless suits you if you want one box, ready to play, with nothing else to buy. SVS Prime Tower suits you if you already have an amplifier, want to choose the electronics, or expect to upgrade in stages. Neither is the better speaker in the abstract. If a subwoofer is in your plans, the bass gap largely stops mattering - you would be crossing over above 52Hz anyway, which makes the cheaper SVS Prime Wireless much easier to justify. In a large or open-plan room, SVS Prime Tower has the cabinet volume to fill it more easily; in a small room, near a wall or at desk distance, SVS Prime Wireless is the easier speaker to get right.
And remember what a spec sheet cannot show: how each looks in your room and whether the finish suits it, what dealer support and warranty are like where you live, and how they actually sound to you. If you can hear them first - ideally with your own music - that will tell you more than any number above.