Positive Grid
Positive Grid Spark 2
$349Cheaper
Best Guitar Amplifiers · head-to-head
A sourced, side-by-side comparison. Positive Grid Spark 2 is cheaper at $349. Every spec and price links to its source.
Positive Grid
$349Cheaper
Blackstar
$449.99
On the specs we track, they're closely matched. The Positive Grid Spark 2 is the cheaper at $349.
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✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | $349 | $449.99 |
| Brand | Positive Grid | Blackstar |
| Released | — | — |
| Amplifier type | modeling | tube |
| Power watts | 50 | 1 |
| Speaker config | 2x4 | 1x8 |
| Channels | — | 2 |
| Form factor | combo | combo |
| Onboard effects | Yes | Yes |
| Effects loop | No | No |
| Direct out | Yes | Yes |
| Headphone out | Yes | Yes |
| Weight (lb) | 12.125 | — |
Sources — Positive Grid Spark 2: positivegrid.com (verified 2026-07-11). Blackstar HT-1R MkIII: blackstaramps.com (verified 2026-07-11).
Where the two actually differ on the specs we track (3 of 10). Matching specs are omitted.