The X4 Ultra sets new standards in audio fidelity with its thoughtfully chosen components, selected to minimize distortion while prioritizing transparency. By employing copper foil inductors and oil-impregnated film capacitors, we have achieved a remarkable balance of revealing detail and musicality. The result is a precise imaging, spacious soundstage, and an immersive, captivating listening experience. For 2024, we have added an 8 ohm variant to match the amplification specifications for some customers.
($9,800 USD / Pair)

Ultra-4

Height - 45 inches

Width
- 16 inches

Depth
- 10 inches

Weight (each)
- 95 pounds

Amp use - Compatible with solid state and tube amplifiers 20 Watts up to 200 Watts

Room size
- Medium/Large

Sensitivity
- 88dB

Impedance
- Nominal

Frequency Range
- 28Hz - 20kHz

Tweeter
- Studio-grade Air Motion Transformer, 80 degree front pattern, Dipolar

Mid range/Woofer - Spatial BR12, 12" paper composite woofer, Ceramic motor

Woofer - Spatial BR12, 12" paper composite woofer, Ceramic motor

Type
- Passive 2.5-way, Dynamic dipolar radiator

Ultra-8

Height - 45 inches

Width
- 16 inches

Depth
- 10 inches

Weight (each)
- 90 pounds

Amp use - Compatible with solid state and tube amplifiers 20 Watts up to 200 Watts

Room size
- Medium/Large

Sensitivity
- 88dB

Impedance
- Nominal

Frequency Range
- 28Hz - 20kHz

Tweeter
- Studio-grade Air Motion Transformer, 80 degree front pattern, Dipolar

Mid range/Woofer
- Spatial BR12, 12" paper composite woofer, Ceramic motor

Woofer - Spatial BR12, 12" paper composite woofer, Ceramic motor

Type
- Passive 2-way, Dynamic dipolar radiator
5 year warranty, see details here
For ordering and options, please call 801-367-1664 or e-mail us at orders@spatialaudiolab.com