Planet Audio EC20B Car Electronic Crossover – 3 Way, Pre-amp, Fine Tune Your High-Mid-Low Range Speaker Frequencies, Equalizer, DPS Audio Processor

Provides three Filter circuits for a variety of set-up options Variable Low Pass: 32Hz to 250Hz, Variable High Pass: 40Hz to 400Hz.Bass Generator

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BOSS Audio Systems BX35 Electronic Car Crossover - 3 Way, Pre-Amp, Fine Tune Your High-Mid-Low Range Speaker Frequencies : Electronics

Car Amplifier Equalizers and Crossovers

Planet Audio EC20B 3-Way Electronic Crossover : : Electronics

Cadence - Ultra Drive DVC 12 inch Subwoofer 300w

Front / Rear / Sub Input, Front / Rear / Sub Outputs Front High Pass Filter 65 Hz to 4.5 kHz, Rear High Pass Filter 45 Hz to 1.6 kHz Variable

BOSS Audio Systems BX35 Electronic Car Crossover - 3 Way, Pre- Amp, Fine Tune Your High-Mid-Low Range Speaker Frequencies : Electronics

1.50 ft @ 34Hz Ported 3/4 MDF SQ/SPL Enclosure Box for Dual 8 Car Subwoofers

Planet Audio EC10B Car Electronic Crossover - 2-Way, Pre-amp, Fine Tune Your High-Mid-Low Range Speaker Frequencies, Equalizer, DPS Audio Processor,

Planet Audio EC10B Car Audio 2 Way Bass Boost Subwoofer Electronic Crossover

BOSS Audio Systems BX35 Electronic Car Crossover - 3 Way, Pre- Amp, Fine Tune Your High-Mid-Low Range Speaker Frequencies : Electronics

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Subwoofers in Hong Kong - classification & prices 分類及價錢

1.50 ft @ 34Hz Ported 3/4 MDF SQ/SPL Enclosure Box for Dual 8 Car Subwoofers

NEW AUDIOPIPE XV-3XP 3-WAY Electronic Crossover With Line Driver + Bass Knob

DB Drive E7 3X Audio Crossover