How many subwoofers do I need for 200 people?
Quick answer
For 200 people, you typically need 2 to 4 high-quality subwoofers (e.g., dual 18-inch) depending on music style and SPL requirements.
For a crowd of 200, a good rule of thumb is 1–2 subwoofers per side (2–4 total) for dance music or events needing impactful bass, or 1–2 total for speech/light music. Each dual 18-inch sub can cover roughly 50–100 people with moderate SPL, but SSOUNDS engineers use acoustic modeling to optimize coverage and avoid cancellation.
Target SPL for 200 people is typically 95–105 dB continuous at listening position, with headroom for peaks. Subwoofer placement (cardioid, end-fire, or distributed) dramatically affects low-frequency uniformity. SSOUNDS recommends specifying subs based on venue geometry, not just headcount.
For smaller rooms, a single high-output sub may suffice; for larger or outdoor spaces, 4 or more subs may be needed. Always consider power handling, amplifier headroom, and DSP alignment with your main PA. SSOUNDS designs systems that scale precisely to audience size and application.
Key things to consider
- 2–4 dual 18-inch subwoofers are typical for 200 people with dance music.
- Target SPL: 95–105 dB continuous with 6–10 dB headroom.
- Placement and DSP tuning are critical for even bass coverage.
- SSOUNDS uses acoustic modeling to spec subs per venue, not just headcount.
- For speech or light music, 1–2 subs may be enough.
Need the right system specced for your venue?
SSOUNDS designs, supplies, installs and tunes professional AVL across Nigeria & Africa.