{"product_id":"shure-a15as-switchable-attenuator-15-20-25-db-clean-level-control","title":"Shure A15AS Switchable Attenuator (15\/20\/25 dB) - Clean Level Control","description":"\u003cp\u003eIn this review the Shure A15AS Switchable In-Line Attenuator is evaluated as a simple, rugged solution for taming high-output microphones and preventing input overload on mixers or recorders. The bottom line: it is for engineers, live sound techs, and field recordists who need reliable, in-line attenuation without changing mic tone or losing phantom power. The unit's selectable 15, 20, or 25 dB reduction and pass-through of phantom power make it a small tool with a specific, practical purpose for high sound pressure level situations.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitchable attenuation:\u003c\/strong\u003e The three-position 15, 20, and 25 dB settings let the user precisely reduce signal level to prevent input overload without guessing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhantom power compatibility:\u003c\/strong\u003e It passes phantom power so condenser microphones remain powered and functional when the attenuator is inline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced signal handling:\u003c\/strong\u003e Designed for balanced microphone or line-level signals, it maintains signal integrity during attenuation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact package:\u003c\/strong\u003e Small physical dimensions make it easy to place inline on stage or in a recording setup without adding bulk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable build:\u003c\/strong\u003e As noted by customers, the construction meets Shure quality norms and holds up in professional use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe A15AS is aimed at audio professionals and serious hobbyists who encounter high-output dynamic or condenser microphones that can overload a mixer or recorder input in loud environments. Live sound engineers, location recordists, and anyone dealing with unpredictable SPLs will appreciate the quick attenuation choices and the ability to retain phantom power.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users needing multi-channel attenuation, digital pad options inside a mixer, or advanced impedance matching features; the A15AS is a single-channel, inline passive attenuator designed for straightforward level control rather than complex signal routing.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReliable three-step attenuation provides immediate control over excessive levels without degrading the tone.\u003c\/li\u003e\n\u003cli\u003ePasses phantom power so condenser mics remain powered and ready to use inline.\u003c\/li\u003e\n\u003cli\u003eCustomers report low added noise and effective reduction of radio-frequency interference in practice.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOnly a single-channel inline solution, so multiple microphones require multiple units or alternate routing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eMicrophone attenuator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAttenuation Levels\u003c\/td\u003e\n\u003ctd\u003e15 dB, 20 dB, 25 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhantom Power\u003c\/td\u003e\n\u003ctd\u003ePasses phantom power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Dimensions\u003c\/td\u003e\n\u003ctd\u003e2.032 cm x 2.54 cm x 9.398 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Quantity\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eMexico\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Shure A15AS is a focused, well-made inline attenuator ideal for live and location work where protecting inputs from high-output mics matters. It offers straightforward, selectable attenuation and passes phantom power, making it good value for users who need reliable single-channel level control without signal degradation.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the A15AS with condenser microphones?\u003c\/strong\u003e\u003cbr\u003eYes, it passes phantom power so condenser microphones remain powered when placed inline.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill attenuation change my mic tone?\u003c\/strong\u003e\u003cbr\u003eThe unit is passive and customers report it reduces level without noticeable signal degradation or tone loss.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for line-level signals?\u003c\/strong\u003e\u003cbr\u003eYes, it can be used to reduce line-level mixer outputs to prevent overloading aux-level recorder inputs.\u003c\/p\u003e","brand":"Shure","offers":[{"title":"Default Title","offer_id":48632216387803,"sku":"B0002J1JKY","price":61.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61sLD80ujqL._AC_SL1500.jpg?v=1778528872","url":"https:\/\/gearmusthave.com\/products\/shure-a15as-switchable-attenuator-15-20-25-db-clean-level-control","provider":"GearMustHave","version":"1.0","type":"link"}