{"niche":"在300美元以下，最实惠的贝斯琴桥拾音器类型（例如：桥位双线圈/桥位humbucker、Jazz Bass拾音器）有哪些？","description":"What are the most affordable bass guitar bridge type (e.g., bridge humbucker, jazz bass pickup) under $300?","products":[{"brand":"DiMarzio","model":"DP148 Ultra Jazz Bridge Pickup","price_gbp":52.3,"origin_country":null,"specs":{"polarity":null,"resistance":"12.3 Kohm","magnet_type":"Alnico 5 & Ceramic","number_of_coils":"2","output_impedance":null,"frequency_response":null},"confidence_score":null,"summary":"Hum-cancelling bridge humbucker designed to deliver deeper lows, percussive highs and clear mids with high sensitivity and 4-conductor wiring. Suits players who want a brighter, higher-output Jazz Bass bridge tone that pairs well with P-style middle pickups.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"DiMarzio","url":"https://www.dimarzio.com/pickups/jazz-bass-hum-canceling/ultra-jazz-bridge","currency":"USD","source_country":"US","price":89.0,"price_gbp":66.5,"scraped_at":"2026-06-06T22:09:07.799492"},{"label":"Bill's Music","url":"https://www.billsmusic.com/dp148cr/","currency":"USD","source_country":"US","price":89.0,"price_gbp":66.5,"scraped_at":"2026-06-06T22:09:10.668440"},{"label":"GuitarPickups.xyz","url":"https://www.guitarpickups.xyz/products/dimarzio-ultra-jazz-bridge-dp148","currency":"USD","source_country":"US","price":69.99,"price_gbp":52.3,"scraped_at":"2026-06-06T22:09:13.481019"}]},{"brand":"DiMarzio","model":"DP123CR Model J Neck & Bridge Set","price_gbp":126.28,"origin_country":null,"specs":{"polarity":null,"resistance":"6.82 Kohm","magnet_type":"Ceramic","number_of_coils":"2 (humbucking per pickup, each coil picks up one pair of strings)","output_impedance":null,"frequency_response":null},"confidence_score":null,"summary":"The Model J set are hum-canceling jazz-bass style pickups with ceramic magnets and adjustable pole pieces, offering a warm, rounded tone with increased power and low noise. Suited for players seeking a fuller Jazz Bass sound with good string-to-string balance and compatibility with fretless basses.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"DiMarzio (official)","url":"https://www.dimarzio.com/pickups/jazz-bass-hum-canceling/dimarzio-model-j","currency":"USD","source_country":"US","price":169.0,"price_gbp":126.28,"scraped_at":"2026-06-06T22:07:45.636238"},{"label":"MyGuitarSupply","url":"https://www.myguitarsupply.com/store.php/myguitarsupply/pd10943366/dimarzio-dp123cr-model-j-neck-amp-bridge-set-cream-black-pole-pieces","currency":"USD","source_country":"US","price":169.0,"price_gbp":126.28,"scraped_at":"2026-06-06T22:07:48.448093"},{"label":"Equipboard (listing aggregates retailers)","url":"https://equipboard.com/items/dimarzio-dp123cr-model-j-neck-bridge-set","currency":"USD","source_country":"US","price":169.0,"price_gbp":126.28,"scraped_at":"2026-06-06T22:07:51.511434"}]},{"brand":"EMG","model":"40DC Pickup","price_gbp":88.92,"origin_country":null,"specs":{"polarity":null,"resistance":"10000","magnet_type":"Ceramic bar","number_of_coils":"Dual","output_impedance":null,"frequency_response":"4550"},"confidence_score":null,"summary":"The EMG 40DC is an active dual-coil (humbucker) soapbar pickup for 5-string basses with ceramic-loaded coils and an ultra-low-noise internal preamp. It delivers punchy lows, clear highs, and solderless Quik-Connect installation, suited to modern and heavy bass styles and players needing high output and clarity.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"EMG Pickups (official)","url":"https://www.emgpickups.com/40dc.html","currency":"USD","source_country":"US","price":119.0,"price_gbp":88.92,"scraped_at":"2026-06-06T22:08:50.743030"},{"label":"Music & Arts","url":"https://www.musicarts.com/emg-emg-40dc-dual-coil-5-string-active-bass-pickup-main0009666","currency":"USD","source_country":"US","price":119.0,"price_gbp":88.92,"scraped_at":"2026-06-06T22:08:53.598946"},{"label":"Equipboard","url":"https://equipboard.com/items/emg-40dc-pickup","currency":"USD","source_country":"US","price":156.0,"price_gbp":116.56,"scraped_at":"2026-06-06T22:08:56.417043"}]},{"brand":"Seymour Duncan","model":"SJB-2 Hot Jazz Bass Bridge Pickup","price_gbp":66.5,"origin_country":null,"specs":{"polarity":"Not explicitly stated (neck is RWRP for hum-cancel with bridge)","resistance":"16.6","magnet_type":"Alnico V","number_of_coils":"Single Coil","output_impedance":null,"frequency_response":"3800"},"confidence_score":null,"summary":"Hot, higher-output single-coil Jazz Bass bridge pickup with hand-ground Alnico 5 rod magnets and overwound coil for fuller low end and midrange; voiced for rock and drop-in for most American Standard Jazz Basses. Suits players wanting a beefier, punchy Jazz Bass tone with more growl and sustain.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"FatBassTone","url":"https://fatbasstone.com/products/seymour-duncan-sjb-2-hot-4-string-jazz-bass-pickups","currency":"USD","source_country":"US","price":89.0,"price_gbp":66.5,"scraped_at":"2026-06-06T22:08:02.814713"},{"label":"Music & Arts","url":"https://www.musicarts.com/seymour-duncan-sjb-2-hot-jazz-bass-bridge-pickup-main0121198","currency":"USD","source_country":"US","price":89.0,"price_gbp":66.5,"scraped_at":"2026-06-06T22:08:05.689270"}]},{"brand":"Seymour Duncan","model":"SPB-3 Quarter Pound Bass Pickup","price_gbp":73.97,"origin_country":null,"specs":{"polarity":null,"resistance":"11.5k","magnet_type":"Alnico 5","number_of_coils":null,"output_impedance":null,"frequency_response":null},"confidence_score":null,"summary":"High-output split-coil P-Bass pickup with large 1/4 in diameter Alnico 5 rod pole pieces and a high-output coil wind for a fat, punchy mid-focused tone. Suits rock and players who need a punchy, cut-through P‑Bass sound and a drop-in replacement for American Standard Precision Bass.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Seymour Duncan (official)","url":"https://www.seymourduncan.com/single-product/quarter-pound-p-bass-4-string","currency":"USD","source_country":"US","price":99.0,"price_gbp":73.97,"scraped_at":"2026-06-06T22:08:17.023047"},{"label":"FatBassTone","url":"https://fatbasstone.com/products/seymour-duncan-spb-3-quarter-pound-4-string-precision-bass-pickup","currency":"USD","source_country":"US","price":99.0,"price_gbp":73.97,"scraped_at":"2026-06-06T22:08:19.934355"},{"label":"Music & Arts","url":"https://www.musicarts.com/seymour-duncan-spb-3-quarter-pound-p-bass-pickup--black-main0010146","currency":"USD","source_country":"US","price":99.0,"price_gbp":73.97,"scraped_at":"2026-06-06T22:08:22.752099"}]},{"brand":"EMG","model":"J Active Jazz Bass Pickup Set","price_gbp":141.22,"origin_country":null,"specs":{"polarity":null,"resistance":null,"magnet_type":"Ceramic bar magnet","number_of_coils":null,"output_impedance":null,"frequency_response":null},"confidence_score":null,"summary":"Active Jazz Bass pickup set with EMG solderless installation system and X-series preamp option; ceramic bar magnets for tight midrange punch and extended high end. Suits players seeking a noiseless, high-headroom J‑style tone for studio or live use.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"EMG Pickups","url":"https://www.emgpickups.com/jxset.html","currency":"USD","source_country":"US","price":199.0,"price_gbp":148.69,"scraped_at":"2026-06-06T22:08:33.690933"},{"label":"Music & Arts","url":"https://www.musicarts.com/emg-j-set-active-bass-pickup-set-main0009700","currency":"USD","source_country":"US","price":189.0,"price_gbp":141.22,"scraped_at":"2026-06-06T22:08:36.618871"},{"label":"FatBassTone","url":"https://fatbasstone.com/products/emg-j-4-string-jazz-bass-pickups-black","currency":"USD","source_country":"US","price":189.0,"price_gbp":141.22,"scraped_at":"2026-06-06T22:08:39.493745"}]},{"brand":"Seymour Duncan","model":"SH-4 JB Bridge Humbucker","price_gbp":73.97,"origin_country":null,"specs":{"polarity":null,"resistance":"16.6","magnet_type":"Alnico 5","number_of_coils":null,"output_impedance":null,"frequency_response":"5500"},"confidence_score":null,"summary":"The SH-4 JB is a high-output passive bridge-position humbucker with Alnico 5 magnets, pronounced upper-mid presence, and strong harmonics suited for rock and lead playing. It works well for players who need a cutting, aggressive bridge pickup that responds well to high gain.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Seymour Duncan","url":"https://www.seymourduncan.com/single-product/jb-model","currency":"USD","source_country":"US","price":99.0,"price_gbp":73.97,"scraped_at":"2026-06-06T22:09:24.424850"},{"label":"Sweetwater","url":"https://www.sweetwater.com/store/detail/SH4JB--seymour-duncan-jb-sh-4-humbucker","currency":"USD","source_country":"US","price":139.0,"price_gbp":103.86,"scraped_at":"2026-06-06T22:09:27.235335"}]}]}