Audison AP 4 Prima 4" Midrange Speakers, 40W RMS, 4Ω, Pair

Audison AP 4 is a Prima Series 4" (100mm) midrange speaker pair built for 3-way sound quality front stages and OEM premium integration. With high sensitivity, compact geometry, and controlled cone behavior, the AP 4 provides articulate vocals, focused midrange detail, and clean off-axis performance inside vehicle cabins.

Designed for DSP-based active systems or as part of a structured Prima front stage, the AP 4 fits factory dash and door midrange locations commonly found in modern Euro, JDM, and premium OEM platforms.

Key Performance Features

• 4" (100mm) dedicated midrange pair
• Engineered for 3-way SQ front stages and OEM upgrades
• High sensitivity for factory amplifier replacement
• Lightweight cone for fast transient response
• Compact geometry for tight OEM mounting points

Technical Specifications — Midrange

• Size: 4" (100mm)
• Impedance: 4Ω
• Continuous Power (RMS): 40W
• Peak Power: 120W
• Sensitivity: 91.5 dB/SPL
• Frequency Response: 100 Hz – 10 kHz
• Voice Coil: 25 mm
• Magnet: Ferrite
• Cone: Treated paper
• Surround: Rubber

T/S Parameters (Per Driver)

• Fs: 115 Hz
• Re: 3.4Ω
• Qts: 0.79
• Qes: 0.93
• Qms: 4.2
• Vas: 1.9 L
• Xmax: 1.8 mm

Mounting Geometry (OEM-Friendly)

• Frame Diameter: 100 mm
• Cutout Diameter: 93 mm
• Mounting Depth: 43 mm
• Recommended Position: Dash / upper door midrange

System Pairing — Audison Ecosystem

• Amplifiers: Prima / Forza / SR
• DSP: AP bit / AF bit / bit One HD Virtuoso
• System Role: Midrange in 3-way active
• Alignment: DSP crossover + EQ recommended

OEM Integration Notes

• Fits common OEM midrange locations (Euro + premium platforms)
• High sensitivity supports stealth DSP upgrades
• Matches Prima 6.5"/8" woofers and Prima tweeters for full systems

Buyer Use Cases

• Adding midrange to 3-way SQ systems
• Upgrading premium OEM 3-way configurations
• DSP-based stealth installations

What’s Included

• (2) 4" Prima Series midrange drivers
• User documentation

Why Buy From MCOR Automotive

• Authorized Audison retailer
• OEM integration & SQ specialists
• Fast fulfillment with expert support
• 20+ years of high-end 12V system design experience

Dimensions

Dimension A	103 mm (4.06 in)
Dimension A3	130 mm
Dimension B	93 mm (3.66 in)
Dimension C	43 mm (1.69 in)
Dimension D	41 mm (1.61 in)

Fitment, Installation & Warranty Notes

• Fitment Help: Need help confirming fitment, compatibility, amplifier matching, or installation parts? Use our Fit Guide or contact us through the chat button before ordering.
• Authorized Retailer: MCOR Automotive is an authorized Audison retailer. Products purchased from MCOR include applicable manufacturer warranty coverage when installed and used according to manufacturer guidelines.