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Silver poly cone 6.5 inch woofer with rubber surround and stamped steel frame

Goldwood Sound, Inc.

Goldwood Sound GW-S650/4 6.5" Woofer 170W 4ohm PA Speaker

SKU CH-7YSA-FGGTD

A 6.5" poly-cone woofer rated at 85 W RMS and 170 W max with 90 dB sensitivity and 4 Ω impedance

  • TypeSpeaker
  • 170 watts peak power handles demanding live sound
  • 85 watts RMS delivers reliable continuous output
  • 35 Hz low-frequency response adds deep bass impact
  • 90 dB sensitivity produces high volume with less amplifier power
  • 20 oz magnet structure ensures strong, controlled cone movement

6.5-inch PA Woofer for Live and Installed Sound

The Goldwood Sound GW-S650/4 is a 6.5-inch professional audio woofer rated at 85 watts RMS and 170 watts maximum. It presents a 4-ohm impedance and a 90 dB SPL sensitivity. A 1-inch aluminum voice coil and a 20-ounce magnet with bumper plate drive the silver injected poly cone with rubber surround. The stamped steel frame measures 7 inches overall.

Suits DJs, Karaoke and Fixed Installations.

This driver fits pro DJ, PA, karaoke, live sound and fixed-installation enclosures that need a 5.83-inch cutout and 2.94-inch mounting depth. It also works in studio monitor and home audio builds. Buyers who want extended low-frequency output below 35 Hz or higher power handling for large-scale reinforcement should look at larger-format woofers.

35 Hz to 5 kHz Coverage with 170-Watt Peak Headroom

The 35-to-5000 Hz frequency response handles vocals, guitars and keyboards comfortably in mid-sized venues. At 85 watts continuous the cone stays composed, while the 170-watt peak rating absorbs transient bursts without mechanical stress. Systems demanding full-range output down to 20 Hz or sustained SPL above 90 dB at distance will exceed this driver’s usable range.

Highlights

  • 170 watts peak power handles demanding live sound
  • 85 watts RMS delivers reliable continuous output
  • 35 Hz low-frequency response adds deep bass impact
  • 90 dB sensitivity produces high volume with less amplifier power
  • 20 oz magnet structure ensures strong, controlled cone movement

Specifications

BrandGoldwood Sound, Inc.
TypeSpeaker

Questions about this item

What amplifier power rating matches the 85 W RMS / 170 W max handling of the GW-S650/4?

Choose an amp that delivers roughly 85 W RMS per channel into 4 Ω so the woofer runs within its continuous rating while still having headroom for peaks.

Can the 4 Ω impedance and 90 dB SPL work with an older 8 Ω-rated PA head?

Most legacy heads will drive the 4 Ω load safely, but expect up to 3 dB more output and verify the amp is rated for 4 Ω operation before connecting.

How do I confirm the 35 – 5000 Hz response is performing correctly after installation?

Play a swept sine from 35 Hz to 5 kHz and listen for even output with no rattles; the cone should move cleanly through the full range.

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