SKU: 34158526486

Palmer BRIDGE 4P Passive 4-Channels DI Box - 19"

Sale price$228.60 Regular price$254.00
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Description

Palmer BRIDGE 4P Passive 4-Channels DI Box - 19"Are you aiming to capture the pure signal from a guitar, bass, or keyboard without any noise and tonal loss, even over long cable runs? In that case, you need a DI box and a high quality one at that to ensure your sound won't be compromised. The BRIDGE 4P from Palmer is a 4 channel passive DI box in 19" rack format with high quality transformers that handle even high levels without distorting or losing the pure sound of your instrument. Each channel

Are you aiming to capture the pure signal from a guitar, bass, or keyboard without any noise and tonal loss, even over long cable runs? In that case, you need a DI box - and a high-quality one at that - to ensure your sound won't be compromised.

The BRIDGE 4P from Palmer is a 4-channel passive DI box in 19" rack format with high-quality transformers that handle even high levels without distorting or losing the pure sound of your instrument. Each channel is equipped with a 1/4" jack input, a THRU output (for forwarding the input signals to an amplifier, for example), and two transformer-balanced XLR outputs - one at the front and one at the rear.

With a transformation ratio of 10:1, the transformers ensure optimum impedance and level matching for connecting instrument signals from guitar, bass, keyboard or synthesizer to a balanced microphone input. At the same time galvanic isolation prevents ground loop hum, so that the signal remains pure, clear and ultra-low noise, without any interference.

Thanks to a switchable 30dB pre-attenuation, the BRIDGE 4P can be fed with extremely high input levels in addition to line signals, which means it can even be looped in between the amplifier output and speakers, for example. The Audio-Over-Cat output enables the signals of all 4 channels to be routed via a single Cat (Cat5e or higher) cable. This saves material, space and time. Due to its passive design, the BRIDGE 4P requires no power supply, which makes it extremely fail-safe.

The BRIDGE 4P is the ideal solution for audio technicians, semi-professional and professional musicians as well as recording studios that value reliable and durable products.

Features

  • Balancing and impedance matching for guitar, bass, keyboards & synthesizers
  • Eliminates ground loop hum thanks to galvanic transformer isolation
  • 4 independent DI boxes in a solid 19" housing (1U)
  • Extremely fail-safe, no power supply required
  • THRU-output for passing the input signal
  • Audio over Cat output (AES72 Type 5e) for forwarding all signals via a single Cat cable
  • Pure and unaltered low-noise audio
  • Handles even high-level inputs without distortion thanks to switchable -30dB pad
  • Ground-lift switch for each output
  • Engineered in Germany

Specifications

  • Product type: DI boxes
  • Type: passive
  • Transformer isolated: yes
  • Channels: 4
  • Inputs: 4
  • input type: unbalanced
  • Input connectors: 6.3 mm jack
  • Input pad: 0 dB / 30 dB
  • Number of outputs: 4 (+ 4 parallel XLR outs + AoC)
  • THRU outputs/channel: 1
  • Output type: balanced
  • Output connectors: RJ45, XLR
  • Output impedance: 30 Ohm(s)
  • Frequency response: 20 Hz - 20 kHz
  • Cabinet material: sheet steel
  • Width: 482 mm
  • Width: 19 "
  • Depth: 90 mm
  • Height: 44 mm
  • Height: 1 U
  • Weight: 1.92 kg
  • Ground lift switch: yes
  • Additional Features: AoC output with ground lift
  • Ambient temperature during operation: -20 - 70 °C
  • Relative Humidity: < 80% (non-condensing)

Audio

  • Max. input level (< 1% THD, 20 Hz): + 21 dBu
  • Max. input level (< 1% THD, 1 kHz): +25 dBu
  • Frequency response (±0,1 dB, relative 1 kHz): 20 Hz - 20 kHz
  • Input impedance (1 kHz): 27 kOhm
  • Output impedance (1 kHz): 30 Ohm(s)
  • THD (30 Hz, +4 dBu, unity, unweighted): < 0.029%
  • THD (1 kHz, +4 dBu, unity, unweighted): < 0.0006%
  • IMD (SMPTE) (60 Hz / 7 kHz, 4:1, +4 dBu): < 0.0012%
  • Transformer ratio: 1 : 10
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 34158526486

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KINDLE
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★★★★★ 4
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Color: Black, Size: Medium
Love it. Fit is great. The only issue is pilling
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Reviewed in the United States on April 22, 2026
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brooke arnold
Charlottesville, US
★★★★★ 1
not as pictured
Color: Light Grey, Size: Small
This is very boxy and looks nothing like the photo. Sad
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Reviewed in the United States on December 4, 2025
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Peter Amato
Battle Creek, US
★★★★★ 5
A Must buy
Color: Beige, Size: Medium
For the price, can’t beat it! Comfortable, stylish and so soft!
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Reviewed in the United States on January 10, 2026
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Kate
Grantham, US
★★★★★ 3
not very crop
Color: Black, Size: X-Large
longer than pictured, but comfortable so far.
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Reviewed in the United States on January 30, 2026
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CrystalLea
Grantham, US
★★★★★ 5
Comfortable and light!
Color: Brown, Size: Large
Wanted something that was going to be lightweight but had those longer sleeves because I do still get a tad chilly even on the warmer days. This is perfect, the fabric is lightweight and breathable, the loose cut around the waist adds to the top's "breathability," but it still keeps you cozy and warm on those chilly mornings! The brown is a lovely warm-coffee tone and it hasn't faded a bit in the wash. Very nice shirt to add to your collection!
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Reviewed in the United States on April 14, 2026

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