Does this have an isolation transformer in it?

I couldn’t find a schematic for the phantom blocker, but the triton fethead does not, and almost every design I have found for phantom blockers merely uses capacitive coupling and not a transformer. Once I learned that the fethead blocks 48v as well, I switched from the phantom blocker to the fethead for my ribbon mics.

Does this protect from power suddenly being engaged? mfg says "connect in certain order" to "prevent transfer of an initial ac voltage burst" so....??

This device is intended to block phantom power from microphones which do not require it, or that can be damaged by it, as in ribbon mics. It is not intended to suppress the initial power up spikes which occur when powering up consoles, outboard gear, etc. it is common practice to power up consoles, then outboard gear first, then amplifiers (including self-powered speakers) and so forth downstream equipment last. Reverse the order when shutting down equipment. Amps first, outboard gear second, console last.

The device is used to block phantom power from an audio device such as a mixer or audio-to-usb converter so it does not reach an audio source device’s input that is not designed to have phantom power. Example: You want to connect an audio mixer with an active topology output to an audio to usb converter that has phantom power. The phantom power can damage the mixer. Insert the Triton Phantom Power Blocker in the audio line between them to solve this problem.

Is this appropriate for permanent installations where the device I'm trying to protect is always hooked up, and I power up my mixer daily?

I use mine at our church. To block phantom power from a bass guitar with active pickups. It has been plugged in now for over a year. No issues.

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Description

🎧 Silence the phantom, amplify your sound.

COMPACT METAL BUILD - Durable, sleek silver enclosure fits perfectly in any pro setup.
PLUG PLAY SIMPLICITY - Works seamlessly with any XLR input/output without extra setup.
PHANTOM POWER NOT HERE - Effortlessly blocks 48V phantom power to protect your gear.
TRUSTED BY PROS WORLDWIDE - Top-rated with 4.7 stars and a 2-year warranty for peace of mind.
CRYSTAL CLEAR AUDIO ALWAYS - Maintains unaltered audio signal flow in both directions.

The Phantom Blocker silver by TritonAudio is a compact, metal-encased XLR device that blocks 48V phantom power while preserving the integrity of your audio signal. Compatible with both male and female XLR connectors, it protects dynamic and ribbon microphones from phantom power damage without interrupting signal flow. With a 4.7-star rating, CE certification, and a 2-year warranty, it’s a must-have for professional audio setups.

Specifications

ASIN	B01HYH0AZQ
Best Sellers Rank	51,456 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 34 in Phantom Power Supplies
Brand Name	TritonAudio
Colour	silver
Connector Types	XLR
Customer Reviews	4.7 4.7 out of 5 stars (94)
Enclosure Material	Metal
Form Factor	compact
Input Voltage	48 Volts (DC)
Item Dimensions	12.8 x 3.2 x 3 centimetres
Item Type Name	Phantom power Blocker
Item Weight	54 g
Manufacturer	TritonAudio
Manufacturer Part Number	Phantom Blocker
Model Number	4
Output Voltage	48 Volts (DC)
Product Warranty	2 year manufacturer.
Specification Met	CE
UPC	764804148503

Reviews

M**S

A very handy accessory

A really useful tool if you need to plug a dynamic or ribbon mic into a desk where there’s no individual control of the 48v supply.

13.01.2026

B**.

Phaaaaaaaaantom

Used it to block a phantom from frightening me. It worked well, although it was a spooky spectre.

5.10.2022

T**K

Perfect for the job

It has a small form factor and does what it says on the tin. It blocks the 48V phantom power getting to my dynamic mics. It's a perfect addition if you have either a FetHead or a FetHead Phantom and want to use them with a dynamic mic.

31.08.2022

M**I

Perfetto e molto utile

30.10.2025

F**D

No longer have the power - which is a good thing in this case.

31.07.2025

A**N

Well known quality it does what it says

5.02.2025

A**R

It does exactly what it is designed to do. A bit pricey for what it does but it saves $2500 of electronics from destruction

9.02.2023

F**E

Es un producto original que cumple con lo que promete.

1.04.2025

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Phantom Blocker silver

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