

Side-by-side comparison of 868 Down4Sound products and 132 Massive Audio products across 12 categories.
| Category | Down4Sound | Massive Audio |
|---|---|---|
| Speakers | 470 products $10 – $1,250 | 45 products $34 – $235 |
| Amplifiers | 170 products $20 – $2,499 | 32 products $170 – $1,200 |
| Subwoofers | 74 products $15 – $2,277 | 40 products $18 – $2,200 |
| Wiring | 95 products $0 – $350 | 8 products $15 – $500 |
| Batteries | 18 products $45 – $1,250 | — |
| Accessories | 17 products $8 – $300 | 1 products $105 – $105 |
| Sound Deadening | 12 products $50 – $310 | — |
| Alternators | 8 products $300 – $600 | — |
| DSP / Processors | 3 products $30 – $599 | 4 products $80 – $220 |
| Enclosures | 1 products $2,277 – $2,277 | — |
| Head Units | — | 1 products $350 – $350 |
| Capacitors | — | 1 products $80 – $80 |