DS18 8OCT400-8 Octagonal 8" Mid-Bass Loudspeaker 400 Watts Rms 8-Ohm (each)

DS18 8OCT400-8 PRO is a purpose-built 8-inch octagonal mid-range loudspeaker designed for serious car-audio installs, delivering high output, wide frequency range, and precise mounting for enthusiasts who demand accuracy and impact.

• 8" Octagonal design: Octagonal shape provides a wider frequency response than traditional round drivers, covering 63 Hz to 10 kHz for a more tangible soundstage.
• Nominal Impedance: 8 OHMS
• RMS Power Handling: 400 Watts; Maximum Power Handling: 800 Watts — capable of handling large power peaks without distortion.
• Sensitivity: 98 dB (1W/1m) — high efficiency translates to louder output with less amplification and better performance at lower listening levels.
• Frequency Response: 63 Hz – 10 kHz — extends into bass territory while delivering crisp highs for detailed midrange clarity.
• Recommended Hi Pass Crossover: 100 Hz — helps protect the driver and integrate cleanly with other speakers in a multi-way setup.
• Voice Coil: 2" (50.8 mm) diameter; Former Material: TIL; Winding Material: CCAW — robust construction to sustain high power and linear excursion.
• Basket Material: Aluminum
• Magnet Weight: 50 oz
• Thiele & Small Parameters: Vas 39.8 L / 1.4 ft³; Xmax 4 mm; Fs 80 Hz; Qms 5.008; Qes 0.545; Qts 0.492; Re 5.73 Ω
• Mechanical Dimensions: Overall Diameter 8.1" (208 mm); Front Mount Baffle Cutout 7.2" (185 mm); Mounting Depth 3.7" (95 mm); Overall Depth 4.1" (105 mm); Weight 9.5 lbs

In practice, this DS18 model excels in high-SPL midrange roles within premium multi-way systems, offering precise alignment and even sound distribution thanks to its octagonal geometry. The combination of 98 dB sensitivity and substantial power handling enables clean, loud performance with minimal strain, while the 63 Hz low end and 100 Hz crossover point support effective integration with subwoofers and other mid/high components for accurate, high-energy listening experiences.