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Pair of black 6.5-inch marine speakers with integrated RGB LED grilles

DS18

DS18 NXL-6M/BK 6.5" 2-way marine electronic speaker pair

SKU CH-T43Y-MMDWA MPN NXL-6M/BK

Pair of 6.5" marine speakers with IP65 rating, 100W RMS power, 4 Ohm impedance and integrated RGB LED lighting

  • Speaker unit size6.5 in (16.5 cm)
  • Subwoofer size6.5 in (16.5 cm)
  • Peak wattage300 W
  • RMS power rating100 W
  • Audio sensitivity91 dB
  • Rated impedance4 Ohm
  • IP65 waterproof rating protects against spray and splashes
  • 100 W RMS power delivers clear output at cruising volume
  • 300 W peak power handles musical transients without distortion
  • 91 dB sensitivity produces loud sound from modest amplifier power
  • Integrated RGB LED lighting adds customisable colour to the grille

Marine audio pair for open-water use

The DS18 NXL-6M/BK is a 6.5-inch two-way speaker pair built for marine environments. Each unit handles 100 watts RMS and 300 watts peak power at 4 ohms. An IP65 rating confirms protection against water jets and dust. Integrated RGB LED lighting on the grilles adds visual accent.

Sustained output with Y35 ferrite and neodymium

The combined Y35 ferrite main magnet and reverse neodymium structure supports continuous 100-watt RMS delivery without thermal compression. Sensitivity of 91 dB at one watt per metre ensures high output levels from moderate amplifier power. Frequency response spans 45 Hz to 23 kHz for full-range reproduction.

UV-stable composites manage heat and resist glare

High-temperature injection-moulded composite baskets and ASA grilles with UV coating withstand prolonged sun exposure and thermal cycling. The 7.3 kg pair weight reflects robust construction without excessive mass. Four-ohm nominal impedance matches common marine amplifiers for efficient power transfer.

How it compares

Measured against everything we stock in Boat Audio & Electronics, at today’s prices. Recalculated every night.

Price $198.99
Pricier than about 82% of the 312 comparable items (median $69.49).

Specifications

Product
Brand nameDS18
Model nameNXL-6M/BK
Part numberNXL-6M/BK
Product typeMarine Speaker
Audio & video
Speaker unit size6.5 in (16.5 cm)
RMS power rating100 W
Audio sensitivity91 dB
Rated impedance4 Ohm
Power
Peak wattage300 W
Size & build
Subwoofer size6.5 in (16.5 cm)

Questions about this item

Will the 91 dB sensitivity and 100 W RMS rating let these run all day without overheating?

The 91 dB sensitivity means they play loudly with modest power, and the 100 W RMS rating shows the thermal limit for continuous use; adequate ventilation behind the mounting surface prevents heat build-up.

What amplifier or head-unit power is needed to drive the 4-ohm, 100 W RMS speakers properly?

A marine-rated amplifier or head unit stable at 4 ohms and delivering up to 100 W RMS per channel matches the speaker's continuous power handling.

Can I keep my existing 4-ohm marine wiring and grille cut-outs for these 6.5" IP65 speakers?

Yes — they use the standard 6.5" cut-out, 4-ohm nominal impedance and IP65-rated construction, so existing marine wiring and mounting holes are compatible.

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