• FCP1 angled front view showing two 1/4" jacks, mini jack, and ATT PAD, SUM L+R, and POLAR switches
  • FCP1 straight-on input panel with IN/L, THRU/R, IN jacks and ATT PAD, SUM L+R, POLAR switches
  • FCP1 input end from above with the screwed two-piece black metal chassis visible, sE Electronics
  • FCP1 angled rear view showing XLR OUT connector and GND LIFT switch, sE Electronics
  • FCP1 rear panel with male XLR OUT and three-position GND LIFT switch marked on+, on, and off
  • FCP1 top view of the two-piece black chassis with four visible screws, sE Electronics
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sE Electronics FCP1 Fluxcore HiZ Passive DI Box

sE Electronics FCP1 Fluxcore HiZ Passive DI Box

SoundPro Item: 209343 | Part Number: FCP1

$149.00
$199.00 $149.00
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MSRP: $199.00 | MAP: $149.00

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  • HiZ Passive Input Minimizes Source Loading To Preserve Tonal Integrity
  • Switchable Stereo-To-Mono Summing For Keyboards And Stereo Sources
  • Three-Position Attenuation Pad Handles Wide Range Of Input Levels
  • POLAR Switch Adds Versatile Signal Routing Flexibility
  • Shielded Heavy-Duty Transformer With Ground Lift Circuitry Reduces Hum
  • Flexible Mounting Options Support Permanent Install And Stage Deployment
  • Requires No External Power For Reliable Use In Any Environment
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The sE Electronics FCP1 is a passive DI box built for engineers and performers who need transparent signal conversion from high-impedance sources such as active pickups, keyboards, and direct-out signals from amp sims. No phantom or battery power is required, making it a reliable choice for fly dates, backline-heavy installs, and situations where power routing is a constraint.

The FCP1 suits a broad range of professional AV contexts: front-of-house signal feeds for touring productions, broadcast stage-boxes, studio tracking sessions where source impedance loading is a concern, and fixed install environments where discrete, reliable DI capability is needed at the source. The high-impedance input is designed to minimize loading on the source instrument or device, protecting the original tonal character through the signal chain.

What separates the FCP1 from commodity passive DIs is the combination of a shielded heavy-duty transformer paired with dedicated ground lift circuitry, a three-position attenuation pad that keeps headroom flexible across a wide range of source levels, stereo-to-mono summing for keyboard and interface outputs, and a POLAR switch for signal-flow versatility. Secure mounting options make it practical for permanent rack or surface installation as well as stage use.

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Specifications

Audio
Frequency Range
18-30,000 Hz (-0.3 dB)
Input Impedance (Pad: 0 dB)
650 kohms
Input Impedance (Pad: -15 dB)
12 kohms
Input Impedance (Pad: -30 dB)
10 kohms
Attenuation Pad
0 / -15 / -30 dB
Connectivity
Stereo Input
3.5 mm
Construction
Transformer
Shielded Heavy-Duty
Power Requirement
Passive, No External Power Required
Identifiers
MPN
FCP1

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