Isolation Transformers $89.00
★★★★★ 4.3/5 388 ratings The iFi LAN iSilencer is a simple RJ45 Ethernet inline filter designed to isolate a network connection and reduce electrical noise that can interfere with digital audio and streaming devices. It supports gigabit Ethernet, includes surge protection (TVS), and is aimed at buyers who want a cleaner network link for a hi-fi streamer and also care about video stability. Expect the biggest gains in well-tuned systems, while some setups may see no audible change, and advanced audio workflows may not suit every Roon/streaming chain.
Isolation Transformers $24.00
★★★★★ 4.6/5 965 ratings The Packard PF42440 is a class 2, foot-mounted control transformer that steps down dual primary voltages (120/208/240) to a 24V secondary for low-voltage control circuits. Buyers commonly mention it as a reliable replacement for HVAC and other 24VAC control uses, with a straightforward swap-and-go experience, though it is a specialized part for applications that specifically need 24VAC.
Isolation Transformers $980
★★★★★ 4/5 20 ratings The Tripp Lite IS1800HG is an 1800W isolation transformer with 6 hospital-style outlets for powering sensitive, noise-prone devices. It’s designed for complete input line isolation (with Faraday shielding), surge suppression, and low leakage, making it a strong fit for studio or medical-grade power needs, with the main caveat that it is not meant to be overloaded or used like a general-purpose power conditioner for large loads.
Isolation Transformers $155
★★★★★ 4/5 83 ratings The Jameco Valuepro GRP-1200 is a benchtop isolation transformer intended for safer AC separation and dual-outlet convenience. Buyers report it performs as expected for basic isolation, but also flag an important grounding limitation, plus occasional build and cosmetic issues on arrival. It can be a practical value option if you understand what “isolation” means and you verify wiring before powering sensitive gear.
Isolation Transformers $29.52
★★★★★ 4.6/5 402 ratings The ELK TRG1640 is a 16.5VAC, 45 VA plug-in transformer designed for low-voltage power needs like doorbell and alarm systems. It features an auto-resetting PTC-fused secondary, a green power LED, and a grounded terminal setup that can help with certain security-panel installations. If you need steady 16.5VAC power with protection and easy wiring, it’s a strong fit, as long as your application calls for 16.5VAC.
Isolation Transformers $7.12
★★★★★ 4.5/5 1,412 ratings The RCA Matching Transformer -VH54R is a small matching transformer/balun style adapter for DIY antenna builds, converting a 75-ohm coax connection to a 300-ohm flat lead. Buyers use it to improve OTA reception with homemade indoor antennas, with the main caveat being careful installation (don’t overtighten).
Isolation Transformers $48.82
★★★★★ 4.6/5 155 ratings The ART Splitcom Pro is a compact 2-way mic splitter/combiner that sends one mic signal to two destinations, with an isolated output and transformer-based phantom-power control. It is a practical choice for live monitoring and recording setups where you want to keep levels consistent and reduce common ground-loop worries.
Isolation Transformers $37.08
★★★★★ 4.5/5 174 ratings The Honeywell 1361-GT Transformer is a rail-mount isolation transformer intended for powering compatible security/control panels and related low-voltage equipment. Buyers consistently describe reliable operation and solid build quality, with one notable tradeoff: it can produce a loud buzzing sound in quiet spaces.
Isolation Transformers $71.00
★★★★★ 4.3/5 66 ratings The Whirlwind ISOXL is a compact 3-pin XLR line-level isolation transformer designed to reduce unwanted noise and break problematic ground connections between audio devices. It’s a strong fit for studios and home theaters using balanced lines, especially when you need to address hum, ground loops, or accidental DC/phantom power issues. The tradeoff is that it may not solve every noise problem and it will not pass phantom power.
Isolation Transformers $169
★★★★★ 4.3/5 26 ratings The ZHENGXI 120V-to-120V isolation transformer (1000W) is designed to help reduce certain electrical issues by isolating the load from the input and offering multiple protection features. Buyers report it can stop nuisance breaker trips for devices like printers and walking pads, but documentation is limited, and some users noticed RF noise that can interfere with AM radio tuning.
Isolation Transformers $120
★★★★★ 4.6/5 33 ratings The Nissyo Kogyo NDF-550U is a down transformer designed to run 100V (Japan-spec) devices from a US 120V outlet. Buyers praise its heavy-duty build, quiet operation, and solid performance for audio gear and small kitchen appliances, with the main caveat being you must stay within the transformer’s capacity and confirm your input device requirements.
Isolation Transformers $18.64
★★★★★ 4.2/5 180 ratings The MG Electronics MGT-1240 is a Class II 12 volt AC (12VAC) transformer rated for 40VA, designed for common low-voltage AC loads like security systems and small appliances that specify 12VAC. Buyers report it is solid and straightforward to replace, with a helpful power indicator LED, but it is heavy and buyers may need to confirm which terminals to use.
Isolation Transformers $16.90
★★★★★ 4.4/5 177 ratings The MCM 4170 coax isolation transformer is designed to break AC-related ground current paths that can cause hum or buzz while still letting CATV, antenna, and high-speed data signals pass bi-directionally. It’s a strong fit for home audio/video setups where a cable feed, MoCA adapter, or RF-connected devices introduce 60Hz noise. The main caveat is that it’s not meant to be used as a general power isolator between devices, and installation placement matters for best results.
Isolation Transformers $18.99
★★★★★ 4.3/5 141 ratings The MG Electronics MGT2412DV is a dual-voltage transformer that can supply either 24VAC (up to 1,000 mA) or 12VDC (up to 635 mA) for low-voltage, security and control applications. Buyers like the flexible power options and solid feel, but the main tradeoff is weight, plus you need to be sure both sides match your intended use.
Isolation Transformers $17.89
★★★★★ 4.2/5 134 ratings A compact 12V to 24V DC-DC boost converter designed for running 24V accessories from a 12V battery system. It supports a 9-20V input range, outputs a fixed 24V, and includes a fuse and IP67 waterproof sealing, but buyer-fit depends heavily on correct polarity/wiring and staying within the stated load limits.
Isolation Transformers $59.92
★★★★★ 4.3/5 35 ratings The C2G 3.5mm isolation transformer is an in-line audio accessory designed to break ground paths between components, helping reduce speaker hum from ground loops. It’s a practical fit for TV to speaker setups and mixed cable scenarios, with a caveat: some installs report added noise or signal dropouts, so placement and troubleshooting matter.
Isolation Transformers $556
★★★★★ 5/5 3 ratings A single-phase buck/boost step-up transformer that converts 208V AC to 240V for up to 23.4A (5.53 kVA) loads, housed in a NEMA 3R painted steel enclosure for indoor or outdoor use. It is designed for voltage adjustment only, not phase conversion or neutral creation.
Isolation Transformers $21.39
★★★★★ 4.4/5 73 ratings A budget-friendly single-ended output transformer designed for tube amp builds that need a nominal 5K primary (with 0, 4, and 8 ohm secondaries). Buyers report it works well for small 5 watt style projects and vintage radio repairs, but some note the unit can arrive with bent mounting tabs and thinner packaging, and the impedance match may be a bit less “exact” than the label suggests.
Isolation Transformers $60.00
★★★★★ 4.2/5 26 ratings The Weathermatic PL1600/SL1600 series 120V transformer is an isolation-transformer style replacement designed for specific Weathermatic controller models. Buyers who matched it to their SL1600/PL1600 setup reported it as a straightforward, working replacement, with a history of multi-year service life. The main caveat is buyer-fit: if you are not using the correct controller series wiring and expectations, there can be serious downstream damage.
Isolation Transformers $39.94
★★★★★ 4.5/5 35 ratings The Bogen WMT1A line matching transformer is a compact impedance adapter designed to connect 10 kΩ high-impedance (Hi‑Z) audio sources to 600 Ω balanced lines using an RCA input and screw-terminal output. It is a practical fit for legacy PA, paging, and music-on-hold installations where long runs or mixed audio gear needs clean impedance matching.
Isolation Transformers $22.99
★★★★★ 4.5/5 51 ratings This TEAMWILL flyback transformer is a single replacement part intended for compatible LG TV models that use the BSC24-39202 / BSC26-N2137 / BSC26-N2138 codes. It has a strong buyer satisfaction signal, but the main caveat is fit and safety: confirm exact part compatibility before ordering and only install if you’re comfortable working inside CRT-style high-voltage circuitry.
Isolation Transformers $493
★★★★★ 5/5 2 ratings A single-phase buck/boost step-down transformer that converts a 245V primary to 220V secondary, built in a NEMA 3R painted steel enclosure for wall mounting. It is designed for indoor or outdoor use and emphasizes electrical isolation plus protection for connected equipment, but returns are not accepted for transformers.
Isolation Transformers $18.99
★★★★★ 3.8/5 45 ratings If your Waterboss system needs a replacement low-voltage transformer with an included cord and plug, this model (Part #93245) is designed for that specific job. Buyer feedback is largely positive for straightforward replacement, but there are a few important label and AC-versus-DC concerns that make it worth double-checking the output type before you buy.
Isolation Transformers $411
★★★★★ 4.5/5 2 ratings A single-phase 208V-to-230V buck/boost step-up transformer for powering equipment that needs 230V when your supply is 208V. Covers multiple secondary current options, uses compact wall-mounting hardware, and is aimed at buyers who need voltage conversion and isolation for safer integration.
Isolation Transformers $6.49
★★★★★ 4.5/5 118 ratings The HiLetgo 5-pack of EI14/EI-14 audio coupling isolation transformers (600:600 ohm, 1:1) is designed to reduce ground loop issues and provide galvanic isolation between audio devices. Reviews from electronics builders and audio users are generally positive for everyday coupling and intercom use, with the main caveats being limited DC isolation and the need to plan parts if your setup includes DC/phantom voltage.
Isolation Transformers $28.98
★★★★★ 4/5 24 ratings The Triad Magnetics N-51X is a 1500Vrms, 35VA isolation transformer designed for flange-mount power applications, including hobbyist tube-radio and small guitar amp builds. Buyers like its straightforward operation and build quality, but the key caveat is current capacity, so it may not be suitable for higher-load AC/DC equipment.
Isolation Transformers $50.21
★★★★★ 4.2/5 12 ratings The Valcom VMT-1 is a compact input matching transformer that helps adapt high-impedance (around 10k-ohm) line level signals to microphone inputs. It can be a practical fix when your PA, paging, or audio routing needs impedance matching, with quick-connect options for the hi-Z side. Main caveat: it is purpose-built for matching specific impedance and signal-level use cases, not as a general-purpose audio upgrade.
Isolation Transformers $39.99
★★★★★ 4/5 15 ratings This WisWinDa audio isolation converter is designed to reduce ground-loop hum by using dual audio transformers and screw-terminal convenience for DIY wiring. It’s a good fit for line-level or specifically 600-ohm 1:1 isolation needs, but it may not suit speaker-level outputs and can affect volume depending on your setup.
Isolation Transformers $35.20
★★★★★ 4.8/5 17 ratings The Functional Devices TR50VA001 is a 50VA isolation-style transformer that steps 120V AC down to 24V AC. It’s designed for higher-power 24V loads where common low-watt “doorbell” transformers may struggle, with threaded hub-style mounting for a more fixed installation.
Isolation Transformers $598
★★★★★ 5/5 1 ratings The Victron Energy 3600W isolation transformer is built for boat and RV electrical setups that need galvanic isolation and quiet, efficient power conversion. It’s designed to manage inrush current during startup and support continuous operation, but it is a rack-mount style component, so buyers should confirm fit and wiring planning before purchasing.
Isolation Transformers $534
★★★★★ 3/5 1 ratings A single-phase buck/boost step-up autotransformer that raises 208V AC to 229V AC for equipment that needs that slightly higher line voltage. Best for stable, slightly off-nominal voltage situations, with a key caveat: buck-boost units do not regulate voltage and do not provide a neutral on the output.
Isolation Transformers $148
★★★★★ 5/5 3 ratings The Functional Devices TR150VA008 is a 150VA isolation transformer designed to convert 480/277/240/208V input to 120V output, with a foot and dual threaded hub mount for utility-style installation. It includes a circuit breaker and is intended for powering 120V electronic devices, but buyer-fit depends heavily on matching the correct input source and voltage requirements.
Isolation Transformers $48.95
★★★★★ 4.6/5 9 ratings The Hunter ICC, HCC and I-CORE Replacement Transformer 154628 (part SSS-154628) is designed to replace the transformer used in specific Hunter controller series. Buyers report an easier install and solid performance, with the main caveat being part-number cross-referencing when replacing older units.
Isolation Transformers $43.05
★★★★★ 4.7/5 10 ratings The Valcom VMT-2 600 Ohm Isolation Transformer is a wall-mount audio isolation transformer designed to help reduce unwanted noise (like 60-cycle hum) in paging and PA setups. Buyers report it was straightforward to install and effective at cleaning up line noise for intercom and wireless page configurations, with a key caveat: it is a 600 ohm isolation transformer, so pairing it correctly with your existing audio and impedance needs matters.
Isolation Transformers $14.99
★★★★★ 4.4/5 24 ratings The UTC Fire and Security 600-1023 (16.5V, 40VA) Class 2 transformer is a straightforward replacement for alarm and security system power needs when your original transformer has been matched for voltage and VA rating. Buyers emphasize easy installation, reliable operation as a drop-in style replacement, and noise/heat reduction versus older units, with one notable caution around condition and appearance.
Isolation Transformers $6.99
★★★★★ 4.3/5 49 ratings These AEDIKO EE-14 audio isolation transformers (10-pack) are built for medium-frequency audio isolation and impedance/voltage transformation in DIY and electronics projects. Buyers highlight their usefulness for interfacing mismatched impedances, breadboard-friendly size, and solid general performance, with the main caveat being that you may need to identify primary vs secondary yourself and they do not include a center tap.
Isolation Transformers $29.88
★★★★★ 4.3/5 10 ratings A compact AC-to-tube-power SMPS style transformer meant for vacuum tube preamps and small guitar amps, providing an isolated filament rail (6.3V/5A) and a separate high-voltage rail (300V, 300mA class). Early buyer feedback is mostly positive for low noise and practical small-amp use, but there are fit and performance caveats around the high-voltage output behavior under load and the need for proper mounting and cooling.