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🎤 Cut the cords, not the vibe — wireless freedom for the modern musician!
The AKG WMS40 Mini Wireless Instrument System ISM1/CH70 is a compact, license-free wireless setup designed for musicians seeking reliable, high-quality sound with up to 30 hours of continuous use on a single AA battery. Featuring plug-and-play ease, it operates on UK channel 70 (863.100 MHz) and includes a receiver, beltpack transmitter, and instrument cable, delivering AKG’s renowned audio clarity and durability for live performances and practice.




| ASIN | B00505ORFO |
| Antenna Location | Live Performances, Studio Recording, Instrumental Practice |
| Audible Noise | 20 Decibels |
| Best Sellers Rank | 3,098 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 125 in Wireless Microphones & Receiver |
| Box Contents | Receiver, Transmitter |
| Brand Name | AKG |
| Colour | black |
| Compatible Devices | Laptop |
| Connectivity Technology | XLR |
| Connector Type | XLR |
| Country of Origin | China |
| Customer Reviews | 4.3 4.3 out of 5 stars (267) |
| Enclosure Material | Plastic Metal |
| Global Trade Identification Number | 00644535648469, 09002761031669 |
| Impedance | 50 Ohms |
| Item Dimensions | 24 x 6.9 x 29.6 centimetres |
| Item Type Name | Wiresless microphone system |
| Item Weight | 50 Grams |
| Manufacturer | AKG |
| Manufacturer Part Number | WMS40 MINI INST ISM1 |
| Microphone Form Factor | Handheld |
| Model Name | WMS40 MINI INST ISM1 |
| Model Number | WMS40 MINI INST ISM1 |
| Number of Batteries | 1 AA batteries required. (included) |
| Number of Channels | 1 |
| Polar Pattern | Omnidirectional |
| Power Source | Battery Powered |
| Product Warranty | 2 years. |
| Signal-to-Noise Ratio | 20 dB |
| Special Feature | Wireless |
| UPC | 644535648469 885038031666 |
M**R
Great Unit
Great little unit, works well and does exactly what I needed it to. Has quite a distance to it so I can roam. I’ve got a basic IEM setup and it doesn’t interfere. My only problem is trying to find a 3 pin mini XLR right angled guitar cable. Every cable seems to 4 pin which doesn’t work. I can only order directly from China.
D**D
excellent, read the reviews and thanks to them
excellent, read the reviews and thanks to them, decided to purchase this great bit of equipment. Plug straight in to my tuner, which is the first in a series link for my bass guitars, and played straight away, no loss of sound, tone, just brilliant. I played a set list to some friends I had around and really enjoyed the fact that I could get into the music, move around on the bass and not be distracted, worrying about treading on a lead and yanking my strap off, or causing crackling sounds. Amazing, buy one, I fully recommend. One more note, I got the ISM1 system, and does the job perfectly and saves money and nothing needs to be or can be in my opinion improved on.
V**R
Fragile
Bought as a replacement for an identical one which lasted less than a year in use in weekly rehearsals and only 17 gigs. It's a great unit that does the job well but that little aerial is very vulnerable and you have to look after it. Don't let it snag on anything, don't squash it into your gear bag or let it fly around in there. I found a cardboard box that was just the right size and I'll be keeping mine in that, in the gig-bag whenever it is not actually in use. My aerial just fell off at the start of a gig. The unit continued to work but we had horrible, intermittent crackling through the P.A. We were too dumb to see the connection and got the P.A. checked over at no small cost. So, why would I buy another one? Because it works with my AKG headset mic and the gigs are weekly now right through the summer. No time to select a whole new system.
T**D
Great piece of kit for the money.
When I checked the previous reviews I realised that this was what I was looking for. I also made the decision based on some You Tube video reviews. The price is excellent. When it arrived it was well packaged but I was slightly disappointed that there was no short jack lead to connect the main box to my bass amp. Luckily I had a spare and was soon able to connect it up and start playing. The sound quality was good and it allowed a lot of freedom to play whilst moving around. I play on a Kala ukulele bass and I have lost none of the quality in either tone or output. I have tested the wireless element up to around 15 metres but I suspect that it would transmit further if I had tried it. I can therefore recommend this outfit for the full 5 stars as it has provided me with much more freedom of playing which will be great when used on stage. Delivery was also ahead of schedule.
E**S
Fantastic little product
My bass player had already bought a really expensive wireless system and it made me want one, but being a little tight, I did'nt want to spend too much, but was'nt sure how good this mini wireless set would be, but it really is fantastic, I've gigged with it a few times now and I use it down our jam night that we organise, and it's always being swapped from guitar to guitar and have had no issued at all. There is no loss in tone that can sometimes be mentioned about others, and there has been absolutely no loss of signal anywhere, I even tried it out at home by walking to the bottom of my garden and the amp was inside the house and it still worked. It is just a plug and play, no setup involved, just plug in and switch on and they marry up automatically. My lead guitarist has now bought one, you can buy them with different frequencies so they don't interfere with each other. I cannot recommend this product enough. Ellis
D**N
Works amazingly well
Just arrived so stoked to use it at gigs! An update to my prior review... This item still holds up well at gigs and surprisingly despite the stated range being short you can pretty much rely on having a decent signal no matter where you are within a large venue. Whether you're back stage behind walls or right infront of the receiver your signal gets through clean! My one issue is the AA batteries tend to die extremely quickly and I recommend that even if you use it every day to remove the battery from the transmitter to prolong life. Amazing product and is cheap would highly recommend!
P**L
Didn't work on day one
didnt work, cable faulty, try to have it change but no luck. no answer from the seller what so ever don't buy from this seller !
G**Y
Three Stars
Ok
J**I
Pequeño, no ocupa mucho, bonito, fácil manejo, no tiene cortes de sonido, y con una pila te dura mas de 30 horas, yo lo compre para casa y alguna salida que haga, solo tiene un canal, pero vamos, por el precio y si no vas a estar todo el día de conciertos, es muy buena marca y muy bien producto, en cuanto a horas con una sola pila es imbatible, no le mete mano nadie. Estoy contento con la compra
C**O
El mejor inalámbrico calidad precio, si estás empezando y no das muchos conciertos, es perfecto. No pierde tono y llega más de 20 metros
G**O
Avevo già provato i trasmettitori AKG e ben sapevo di andare sul sicuro. Infatti anche questo non ha tradito le aspettative: trasmissione perfetta, senza interferenze o interruzioni di sorta, timbro ben definito e NESSUN FRUSCIO. Un ottimo strumento sotto tutti i punti di vista. Nasce come trasmettitore generico per strumenti musicali con uscita jack (e infatti ha in dotazione il cavetto adattatore da Jack a mini xlr) ma usando un microfono con attacco adatto funziona egregiamente anche per la voce. In particolare io l'ho utilizzato in abbinata con un ProEl HCM23AK e il risultato è stato eccellente. L'unico problema (che per il momento non ho avuto) potrebbe essere dato dalla frequenza di trasmissione fissa monocanale che potrebbe andare in tilt in presenza di altri trasmettitori operanti sulla stessa banda. E questo potrebbe essere l'unico motivo a spingermi più avanti a sostituirlo con un modello multicanale. Ottimi come sempre la consegna (ho scelto la consegna 1 giorno e l'ho ricevuto nemmeno 24 ore dopo l'ordine) e l'imballaggio: Amazon è sempre una garanzia.
M**N
Me ha encantado. Funciona perfectamente, probado en concierto. No han habido fallos de intensidad ni interferencias. Vale la pena por el precio que tiene (77€).
J**V
Sonido superdigital, nada natural, pero por el precio tampoco se puede pedir como si pagaras un shure de 400€. Pierde toda la dinámica solo hay que enchufarse directo con un cable y despues con este aparato para darse cuenta de las pérdidas de brillo y de calidad de sonido. No entiendo porqué la peña sigue diciendo que no pierde tono. Será que su oído no les llega... El sonido es nefasto, supermega nasal, pierde toda claridad, probado con un Fractal audio AX8 que por cable suena de vicio y con esto el sonido era un desastre. Insisto cualquiera que le ponga 5 estrellas miente. Y eso de que algunos afirman que tiene la calidad de equipos superiores...uff deben ser primos hermanos de Betoven en su época final, porque de otra no se entiende.
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