UNRIVALED 81/AX
Shocking, Powerful
Go beyond expectations.
- Large AMT Tweeter
- 8" Aluminum Cone Mid-bass Driver
- HDF/Acrylic Polymer Enclosure
- Satin Black or White Enclosure
- Gloss Black or White Side Panels
(PRICE PER PAIR)
(image courtesy of Brian H.)
Bring Surprising Full Range Sound
Big Sound That Exceeds Its Size
The UNRIVALED 81/AX is a show stopper. Winner of two awards at AXPONA 2025 for Best Stand-mount Speaker, the UNRIVALED 81/AX is a master at imaging and true full range sound. With an anechoic response down to 35Hz, mid 20Hz in-room response is achievable.
With countless customization options, you can really tailor the 81/AX to any listening space.
With 8 DSP presets available, the 81/AX can be suited for nearfield studio monitor duties or be set up far-field in a HiFi configurations. The choice is yours.
Deep Bass
Long throw 8" woofer for deep and powerful bass.
AMT Tweeter
Extraordinary proprietary AMT tweeter for smooth and highly detailed performance.
Powerful Sound
150 Watts for the tweeter and 500 Watts for the woofer
TECHNICAL SPECIFICATIONS
Model Name | UNRIVALED 81/AX |
| System Type | DSP Powered Monitor |
| Series | UNRIVALED |
| Frequency Response | 35Hz-40kHz (±3dB) |
| Amplifier Power | 150w, 500w |
| Impedance | 8Ω |
| Crossover Frequencies | 2300Hz |
Crossover Slope | 48dB/Octave |
| Drivers |
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| Enclosure | HDF/Acrylic Polymer |
| Finish | Satin Black or Satin White |
| Dimensions (H x W x D) | 19" x 9-3/4" x 14-1/4" (483 x 248 x 362mm) |
| Weight | 33.85lbs (15.35kg) |
| Warranty | 10 Year Limited speaker 3 year amp |
BUILT IN THE USA
Engineering. Design. Performance.
For over 50 years, RBH Sound has designed and built loudspeakers in the USA with a singular focus - accurate sound reproduction, reliability, and timeless performance. Every product is engineered with premium components and crafted with pride to deliver a listening experience that exceeds expectations.
