Crossovers
Use of the elliptic in a fourth order configuration gives a transient response better than any other crossover design.

The unnoticed, but crucial component in the speaker system

The passive crossover has a very important job in the component speaker system. It needs to divide the duties of precise musical reproduction to the appropriate speakers without introducing phase shifts or distortion into the music. The CDT Audio Elliptic design crossovers are an engineering breakthrough for car audio. They use a very ingeniously designed fifth order elliptic type network that creates very distinct advantages over conventional passive filter topologies.

Technically speaking, the CDT crossovers design is a fourth order/24dB per octave design supplemented by a series first order/6dB per octave on the front end. The unique combination of the two creates a virtual 10th order of 60dB per octave crossover where the critical crossover point between the mid and tweeter lies.

The benefits of the design are many. First, the power transition between midrange and tweeter is virtually identical. Phase response problems and polarity shifts are almost entirely eliminated. That makes for a much more natural sounding component system, as if it were one perfect speaker.

EX-560 Deluxe

EX-560 Deluxe
2-way crossover

EX-560CDiX

EX-560CDiX
2-way crossover with 3rd channel UpStage image tweeter

Pod HP-LP

Pod HP-LP
High-pass crossovers

EX-560CD GOLD

EX-560CD GOLD
2-way crossover

MX-1000SX

MX-1000SX
(Ultra-flexible) 2/3-way compact Mid-woofer E.Q. crossover

  • 1 pr MX-1000SX 3/2-way crossover
  • Mid and woofer EQ adjustable
  • Tweeter EQ adjustable
  • Built-in tweeter protection
MX-1000

MX-1000
(Ultra-flexible) 2/3-way compact Mid-woofer E.Q. crossover

  • 1 pr MX-1000 3/2-way
  • Mid and woofer EQ adjustable
  • Tweeter EQ adjustable
  • Built-in tweeter protection
EX-550i 

EX-550i 
2-way “Transient Optimized” crossover

  • 1 pr EX-550i 24dB design
  • 5 level image twtr attenuation
  • Built-in crossover trim switch
  • Built-in tweeter protection
ES-530 EX-530
Elliptic 24dB 2-way crossover
  • 1 pr EX-530 24dB design
  • Built-in tweeter protection
ES-540 EX-540
Elliptic 2-way crossover
  • 1 pr EX-540 24dB design
  • Image tweeter ready
  • Built-in tweeter protection
EX-30

EX-30
Elliptic 3-way crossover

  • 1 pr EX-30 24dB design
  • Mid-woofer EQ adjustable
  • Tweeter EQ adjustable
  • Built-in tweeter protection
ES-300CC ES-300CC 
3-way superior high-power 24dB “Transient Optimized” crossover
Temporarily out of stock. Please check back!
ES-200US 

ES-200US 
Complete "UpStage" crossover

  • 1 pr ES-200US UpStage design built-in 24dB Elliptic 2-way crossover
  • Power handling: 200 watt RMS @ HPF 100Hz.
  • Image tweeter adjustable
HD-2500 

EX-430 
2-way 12dB installer crossover

  • 1 pr EX-430 12dB installer design 2-way crossover
  • Built-in tweeter protection
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