# Air Relax Pro AR-4.0 Leg Recovery System vs Speed Hound ProPerformance Recovery System: specs and price compared

A sourced, side-by-side comparison of the Air Relax Pro AR-4.0 Leg Recovery System (Air Relax) and Speed Hound ProPerformance Recovery System (Speed Hound) among compression recovery boots. Speed Hound ProPerformance Recovery System is the cheaper of the two at $699.

## Side by side

| Spec | Air Relax Pro AR-4.0 Leg Recovery System | Speed Hound ProPerformance Recovery System |
| --- | --- | --- |
| US price | $935 | $699 |
| Brand | Air Relax | Speed Hound |
| Pressure range mmhg | 40-170 mmHg | 20-200 mmHg |
| Chambers zones | 6 | 4 compression zones, individually toggled on/off |
| Sequence modes | Multiple predefined recovery programs, plus manual pressure/time selection | 2 modes (Recovery Flush, Therapeutic Massage) |
| Power source | Dual-voltage 100-240V AC adapter (plug-in); optional 5,000 mAh/72Wh battery pack rated 2.5 hr continuous use | Plug-in, 110V 60Hz (US/Canada) |
| Boot size range | Size 2 (26-30 in inseam), Size 3 (30-34 in), Size 4 (34+ in) | Medium (5'4" or below), Long (5'5"+, thigh up to 23 in), Long Wide (thigh 24-28 in), Long Extra Wide (thigh 29 in+) |
| Session timer | 1-95 minutes, user-selectable | 10-30 minutes |
| App control | No | No |
| Weight portability | Includes 38L carrying case; unit weight not published by brand | Includes padded travel case; no bluetooth/app required |

## Key differences

- Pressure range mmhg: Air Relax Pro AR-4.0 Leg Recovery System 40-170 mmHg vs Speed Hound ProPerformance Recovery System 20-200 mmHg
- Chambers zones: Air Relax Pro AR-4.0 Leg Recovery System 6 vs Speed Hound ProPerformance Recovery System 4 compression zones, individually toggled on/off
- Sequence modes: Air Relax Pro AR-4.0 Leg Recovery System Multiple predefined recovery programs, plus manual pressure/time selection vs Speed Hound ProPerformance Recovery System 2 modes (Recovery Flush, Therapeutic Massage)
- Power source: Air Relax Pro AR-4.0 Leg Recovery System Dual-voltage 100-240V AC adapter (plug-in); optional 5,000 mAh/72Wh battery pack rated 2.5 hr continuous use vs Speed Hound ProPerformance Recovery System Plug-in, 110V 60Hz (US/Canada)
- Boot size range: Air Relax Pro AR-4.0 Leg Recovery System Size 2 (26-30 in inseam), Size 3 (30-34 in), Size 4 (34+ in) vs Speed Hound ProPerformance Recovery System Medium (5'4" or below), Long (5'5"+, thigh up to 23 in), Long Wide (thigh 24-28 in), Long Extra Wide (thigh 29 in+)
- Session timer: Air Relax Pro AR-4.0 Leg Recovery System 1-95 minutes, user-selectable vs Speed Hound ProPerformance Recovery System 10-30 minutes
- Weight portability: Air Relax Pro AR-4.0 Leg Recovery System Includes 38L carrying case; unit weight not published by brand vs Speed Hound ProPerformance Recovery System Includes padded travel case; no bluetooth/app required

## Sources

- Air Relax Pro AR-4.0 Leg Recovery System: https://www.air-relax.com/products/air-relax-pro-ar-4-0-leg-recovery-system (air-relax.com, verified 2026-08-05)
- Speed Hound ProPerformance Recovery System: https://thespeedhound.com/collections/recovery/products/speed-hound-properformance-recovery-system (thespeedhound.com, verified 2026-08-05)

Canonical: https://frontdeskreview.com/gear/compression-recovery-boots/air-relax-ar-4-0-vs-speed-hound-properformance-recovery-system/
Cite: Per The Front Desk Review, Air Relax Pro AR-4.0 Leg Recovery System ($935) vs Speed Hound ProPerformance Recovery System ($699) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/compression-recovery-boots/air-relax-ar-4-0-vs-speed-hound-properformance-recovery-system/
License: CC BY 4.0.