{"product_id":"300w-subwoofer-crossover-filter-125hz-deep-bass-divider","title":"300W Subwoofer Crossover Filter 125Hz - Deep Bass Divider","description":"\u003cp\u003eIn this review of the 300W Subwoofer Crossover Filter 125Hz, the verdict is simple: this is a practical crossover board for DIYers and installers who want cleaner low-end performance from a single subwoofer. It is aimed at people fitting 5-12 in subwoofers who need a robust passive divider that handles higher power and emphasizes deep bass. The single biggest reason to buy is the combination of a high-inductance coil and a large current capacitor that together deliver stronger, more focused low-frequency output around the 125Hz crossover point.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e61mm high temperature wire:\u003c\/strong\u003e the large inductance coil improves low-frequency control and helps deliver tighter, deeper bass from compatible subwoofers.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e18mm large current capacitor:\u003c\/strong\u003e the audio-grade horizontal spindle electrode capacitor is sized to pass strong low-frequency currents without obvious distortion.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e125Hz crossover point:\u003c\/strong\u003e the fixed frequency divider makes it easy to integrate a subwoofer into systems where the woofer should be crossed over at 125Hz.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e300W maximum power handling:\u003c\/strong\u003e the board can handle substantial power when paired with adequate amplification and properly rated drivers.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCompact footprint:\u003c\/strong\u003e the L88mm x W70mm x H33mm board fits into many enclosure builds or mounting locations without taking excessive space.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSold as a pair:\u003c\/strong\u003e two crossover boards are included so users can outfit dual subwoofers or have a spare for future builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe 300W crossover is best for hobbyists, car audio tuners, and small installers using 5-12 in subwoofers who want a simple passive solution to tighten low-end response. It suits users who prefer a fixed 125Hz slope and need hardware rated to handle higher current, benefiting from the heavy gauge winding and large capacitor.\u003c\/p\u003e\n\u003cp\u003eIt is not ideal for those requiring adjustable crossover frequency, active DSP control, or who rely on very low-powered amplifiers; the product notes caution about pairing it with low power amps. If you need a variable crossover or integrated phase\/delay control, an active solution would be a better choice.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eRobust low-frequency performance thanks to the 61mm high temperature wire and high inductance design.\u003c\/li\u003e\n \u003cli\u003eAudio-grade 18mm large current capacitor reduces strain at high bass levels and helps maintain clarity.\u003c\/li\u003e\n \u003cli\u003eClear 125Hz crossover and 12dB\/oct slope make integration with midwoofers straightforward.\u003c\/li\u003e\n \u003cli\u003ePair included provides value for dual-subwoofer setups or backups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eFixed crossover frequency and slope limit flexibility compared with adjustable or DSP crossovers.\u003c\/li\u003e\n \u003cli\u003eWarning about low power amplifiers means this works best with adequately powered systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eImpedance\u003c\/td\u003e\n\u003ctd\u003e4-8 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMaximum power\u003c\/td\u003e\n\u003ctd\u003e300W\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eFrequency point\u003c\/td\u003e\n\u003ctd\u003e125Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCross slope\u003c\/td\u003e\n\u003ctd\u003e12dB \/ oct\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eBoard size\u003c\/td\u003e\n\u003ctd\u003eL88mm x W70mm x H33mm\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e192g per piece\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePack contents\u003c\/td\u003e\n\u003ctd\u003e2pcs x Crossover Filter Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 300W Subwoofer Crossover Filter is a straightforward, well-built passive divider that delivers stronger low-frequency control for 5-12 in subwoofers. It offers good value for installers and DIYers who need a fixed 125Hz crossover with robust components, though those who need tuning flexibility or are using low-power amps should consider alternatives. Overall, it is a solid choice for improving bass integration in suitably powered systems.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this crossover be used with any 5-12 in subwoofer?\u003c\/strong\u003e\u003cbr\u003eYes, it is designed for 5-12 in subwoofers with 4-8 ohm impedance, but ensure your amplifier can supply adequate power for best results.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the crossover slope adjustable?\u003c\/strong\u003e\u003cbr\u003eNo, the board uses a fixed 125Hz crossover with a 12dB\/oct slope and does not offer adjustable frequency or slope settings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many pieces are included?\u003c\/strong\u003e\u003cbr\u003eThe package includes 2 crossover filter boards, allowing for dual-sub setups or a spare.\u003c\/p\u003e","brand":"JINGERL","offers":[{"title":"Default Title","offer_id":48747641372891,"sku":"B0B2P7CVQF","price":39.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51gzoBHjijL._AC_SL1000.jpg?v=1778862731","url":"https:\/\/gearmusthave.com\/products\/300w-subwoofer-crossover-filter-125hz-deep-bass-divider","provider":"GearMustHave","version":"1.0","type":"link"}