Suggested TrueScale comparisons
Tap any speaker to see it beside this one at true, real-world scale.
Zu Audio · Union · Floorstander
Union 6
$3,500 / pairCheck availability ↗
TrueScaleLine this speaker up next to another at its real-world size.TrueSpecsPut this speaker's full spec sheet beside up to three others.HiFi LadderJump to this speaker's spot on the HiFi Ladder, ranked by size.
Product description
A single-driver floorstander built on Zu's 10.3-inch coaxial full-range driver run with no crossover, plus a coaxial supertweeter — a 99 dB, 8-ohm design that plays loud on just a few watts. The sealed, rear-exiting cabinet sits close to walls and is hand-built in Ogden, Utah.
Suggested TrueScale comparisons
Tap any speaker to see it beside this one at true, real-world scale.
Units
| Type | Floorstander |
|---|---|
| HiFi ladder position | #30 of 405 floorstander |
| Power | Passive |
| Height | 915 mm |
| Width | 305 mm |
| Depth | 305 mm |
| Weight | 27 kg |
| Enclosure | sealed |
| Drivers | 1× 262 mm woofer (paper/carbon-nanotube full-range cone), 1× super-tweeter (Eminence UAPT50) |
| Frequency response | 30–22000 Hz |
| Sensitivity | 99 dB |
| Impedance | 8 Ω |
| Recommended amp | 2–150 W |
| MAP (USD) | $3,500 / pair |
| Where to buy | Check availability ↗ |
| Manufacturer | zuaudio.com ↗ |
| Product page | Open product page ↗ |