Our PRO-SM8.4 is the ultimate midrange speaker for motorcycles, powersports and off-road applications that want powerful, weather-resistant performance.

Optimized for Outdoor Performance: This 8” shallow-mount midrange speaker handles 250W RMS and 500W MAX at 4 ohms. With a wide frequency response of 65Hz–12kHz and a sensitivity of 97dB, it cuts through all noise easily.

Built to Withstand the Elements: The PRO-SM8.4 uses a water-resistant paper cone and dust cap, paired with a coated cloth surround to protect against whatever the road throws at you. At just 2.5” mounting depth and a 7” cutout diameter, it’s designed to fit tight installs without compromise.

Get the PRO-SM8.4 and give your system the volume it needs to stand out!

Key Features:

• 8” Shallow Midrange Speaker 500W MAX / 250W RMS
  
• 4-Ohm Impedance for Easy Amplifier Matching
  
• Water-Resistant Cone, Dust Cap, and Cloth Surround
  
• High Sensitivity (97dB) for Clear, Loud Output
  
• 1.5” Kapton Voice Coil with 25oz Ferrite Magnet
  
• 2.5” Mounting Depth for Versatile Install Options

Specifications: 

• Nominal Diameter: 8" / 203.2mm
  
• Nominal Impedance: 4-Ohm
  
• RMS Power Handling: 250W
  
• MAX Power Handling: 500W
  
• Sensitivity (1w/1m): 97dB
  
• Frequency Response: 65Hz - 12KHz
  
• Recommended HI Pass Crossover: 160 Hz

Motor: 

• Voice Coil Diameter: 1.5" / 38.1mm
  
• Voice Coil Former Material: Kapton
  
• Winding Material: CCAW
  
• Cone Material: Water Resistant Paper
  
• Surround Material: Coated Cloth
  
• Basket Material: Steel
  
• Basket Color/Finish: Gloss Red
  
• Magnet Material: Ferrite
  
• Magnet Weight: 25 Oz

Thiele & Small Parameters: 

• Equivalent Volume: 24.96L / 0.881f3
  
• Excursion (one way): 1.3 mm
  
• Free Air Resonance: 110Hz
  
• Mechanical Factor (Qms): 8.062
  
• Electrical Factor (Qes): 1.024
  
• Total Factor (Qts): 0.898
  
• Mechanical Mass: 10.132g
  
• Mechanical Compliance: 0.416mm/N
  
• BL Factor: 3.027
  
• Voice Coil Inductance: 0.364mH
  
• Cone Area: 213.82cm2
  
• DC Resistance: 3.2 ohms
  
• Mechanical Mass w/o Air: 9.98g

Measurements:

• Overall Diameter: 8.23" / 209mm
  
• Overall Depth: 2.7" / 69mm
  
• Front Mount Baffle Cutout: 7" / 180mm
  
• Mounting Depth: 2.5" / 63mm
  
• Motor Diameter: 4.72" / 120mm

Shipping Policy

DBs Car Audio is proud to offer fast & free shipping on all items listed in our store!!

Shipping Methods and Transit Times

DBs Car Audio ships orders from our Kissimmee, Florida location. On occasion, orders will be fulfilled directly by the manufacturer or distributor in order to reduce the shipping time..

Order Tracking

Once an order has been shipped, we send our customers an email with the tracking number for the order. Click on the tracking link in the email to follow the location of the package on the carrier's website. If you did not receive a tracking number by email or need to confirm the tracking information, please contact call us at 1-800-927-9390

Signature Required

Due to the valuable contents of some shipments, DBs Car Audio will only require a signature upon delivery if the order is over $500. Such guidelines will not be overruled upon the customer's request. Please understand that this is a security measure taken by our Company to ensure the safe delivery of each package and guarantee excellent service. Many of our third-party shipping carriers and payment companies require signatures upon delivery to protect against fraud and theft. Customers may request a signature upon delivery by emailing us at dbscaraudiofl@gmail.com.

Shipping Policy Disclaimer

Delivery estimates do not apply to items shipped directly from the manufacturer, nor out-of-stock items. Some items that ship from the manufacturer can only be delivered to addresses within the 48 continental states.

Standard delivery time for domestic customers will average from 2-4 business days, but can take longer in some cases. Saturday, Sunday and national holidays are not considered business days for delivery purposes.

Our Shipping Guarantee applies only to shipments delayed due to our service failure. We will not guarantee shipments that are delayed due to an act of god (ex: weather), a catastrophic event, or failure by our delivery partners. Our guarantee is also voided if incorrect billing or shipping information is given and results in your order being delayed to its destination. Our guarantee is also void if no one is available to sign for shipment when delivery attempt is made if a signature is required.