Soundstream SPM.804B is a midrange car speaker for an aftermarket vehicle audio installation. Match the specifications, connections and mounting requirements below to your system before ordering.

• Brand: Soundstream
• Manufacturer part number: SPM.804B

Features and installation details

Take control of your midrange with the Soundstream SPM.804B — an 8" Pro Audio Midrange Loudspeaker engineered for bold sound and precision performance. Designed for professional audio systems, this speaker pair features an integrated bullet phase plug for improved clarity and sound dispersion across demanding mid frequencies.

Built with a rigid steel basket, durable paper cone, and high-efficiency cloth surround, the SPM.804B is made to handle serious output. A powerful 34 oz ferrite magnet and 1.5" EISV voice coil deliver stable, high-wattage performance, with power handling up to 500 watts peak. Whether you're outfitting a show car or building a PA system, this speaker offers clean, aggressive mids that cut through any mix.

Bullet Phase Plug for Enhanced Dispersion & Vocal Clarity

RMS Power: 250W - Max Power: 500W

Frequency Response: 80Hz – 12kHz

Sensitivity: 96 dB for Loud, Efficient Output

4 Ohm Impedance

Steel Basket Frame with Paper Cone & Cloth Surround

Ferrite Magnet: 34 oz

Voice Coil: 1.5" EISV for Thermal Stability & Power Handling

Mounting Depth: 3.23" (82mm)

Cut-Out Diameter: 7.17" (182mm)

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