**(I know this is a bit confusing but couldn't find any other site with specs on it other than the sellers):**

__Specs for HI-VI M8N__Hivi M8N Alloy Cone Woofer 16 Ohm | eBay

General Data Nominal Power Handling (Pnom)(W) 80 Max Power Handling (Pmax)(W) 160 Sensitivity (2.83v/1m)(dB) 88 Weight (M)(Kg) 2.3 Electrical Data Nominal Impedance (Z)(Ω) 8 DC (Re)(Ω) 13, 16 ohms nominal Voice Coil and Magnet Parameters VC Diameter (mm) 35 VC Length (H)(mm) 17.5 VC Former SV VC Frame Kapton Magnet System Outside Magnet Former Ferrite Gap Height (He)(mm) 6 Linear Excursion (Xmax)(mm) 5.8 T-S Parameters Moving Mass (Mms)(g) 36.5 Effective Piston Area (Sd)(m2) 0.0214 Equivalent Air Volume (Vas)(L) 53.5 Resonance Frequency (Fs)(Hz) 33

__Specs for HI-Vi M4N:__HiVi M4N 4" Aluminum/Magnesium Midbass 297-434

Power handling: 15 watts RMS/30 watts max • VCdia: 7/8" • Impedance: 8 ohms • Re: 6.5 ohms • Frequency response: 69-8,000 Hz • Fs: 69 Hz • SPL: 82 dB 2.83V/1m • Vas: 0.16 cu. ft. • Qms: 5.90 • Qes: 1.35 • Qts: 1.08 • Xmax: 3 mm • Net weight: 1.32 lbs. • Dimensions: Overall diameter: 4-5/8", Cutout diameter: 3-15/16", Depth: 2-5/8", Magnet diameter: 2-5/8".

__Specs for Vifa XT25BG60-04 1" Shielded Dual Ring Radiator Tweeter:__Vifa XT25BG60-04 1" Shielded Dual Ring Radiator Tweeter 264-1012

Power handling: 90 watts RMS/140 watts max • VCdia: 1" • Impedance: 4 ohms • Re: 2.9 ohms • Frequency response: 1,500-40,000 Hz • Fs: 630 Hz • SPL: 92.4 dB 2.83V/1m • Dimensions: Overall diameter: 4.125", Cutout diameter: 3.125", Depth: 2.20".