Bowtech Amplify vs Diamond Deploy SB
Quick take: The Bowtech Amplify costs $99 less; the Bowtech Amplify is rated 5 fps faster (335 fps ATA); the Diamond Deploy SB is the lighter carry (3.2 lb bare).
| Spec | Bowtech Amplify | Diamond Deploy SB |
|---|---|---|
| Price | $650 | $749 |
| Rating | — | — |
| Type | Mid-Range Compound | Mid-Range Compound |
| ATA/IBO Speed | 335 fps | 330 fps |
| Length | 31.5" | 31.5" |
| Brace Height | 6" | 6.75" |
| Draw Weights | 8-70 lb (62 lb of adjustment, no limb swaps) | 50, 60, or 70 lb peak (limb-bolt adjustable) |
| Draw Length | 21-30 in (rotating modules) | 26-30.5 in (rotating cam modules) |
| Let-Off | 85% | 80% |
| Mass Weight | 4 lb | 3.2 lb |
| Construction | Compound | Compound |
| Setup | Sold only as the R.A.K. package - ready to hunt after draw length/weight fitting, all done with a hex key and no press. The PowerShift disc toggles Comfort, Classic and Performance draw cycles in minutes. Binary cams keep sync well, though high-volume shooters report occasional serving wear worth watching. | Sold as the R.A.K. package priced here (bow-only listings exist at some dealers). Draw length adjusts 26-30.5 in via rotating modules without a press, and each peak weight option backs down about 15 lb on the limb bolts. Binary cams hold sync well; most owners add a longer stabilizer to settle the ultralight riser. |
| Warranty | Limited lifetime (original owner) | Limited lifetime (original owner) |
Pros & cons
Bowtech Amplify
- ✓Widest adjustability in the class: 8-70 lb and 21-30 in with no limb swaps
- ✓PowerShift lets you tune draw feel (or speed) without a press
- ✓335 fps at full settings ties for fastest in this group
- ✓Binary cam system borrowed from Bowtech's $1,200+ flagships
- ✓Complete R.A.K. package keeps out-the-door cost near $650
- ✓85% let-off makes long holds easy at full draw
- ✗6-in brace height is the least forgiving geometry in this class
- ✗Polarizing grip - reports of knuckle creep and fletching contact
- ✗Real speeds at mid-range draw settings fall far below the 335 fps rating
- ✗R.A.K. accessories are entry grade for the price
- ✗Scattered owner reports of peep-serving unraveling and tune drift
- ✗No bare-bow option if you already own accessories
Diamond Deploy SB
- ✓Lightest bow in the class at 3.2 lb - a full pound-plus under most rivals
- ✓330 fps rating leads the segment on paper
- ✓Binary cams hold tune with minimal maintenance
- ✓Owners consistently praise the smooth draw, solid wall and dead-in-hand shot
- ✓Complete eight-piece R.A.K. package in one box
- ✓Quiet at the shot for a fast budget bow
- ✓Street discounts frequently push it into the low $600s
- ✗So light it drifts in wind and amplifies hand torque without a stabilizer
- ✗26-in minimum draw length excludes shorter-draw shooters entirely
- ✗Real-world speeds with hunting arrows fall well short of the 330 fps rating
- ✗R.A.K. accessories are entry grade - sight and rest are common first upgrades
- ✗Diamond dealer/pro-shop support is thinner than Bowtech's core line