{"niche":"有哪些最安静的低音吉他琴桥拾音器类型（例如：桥用双线圈/哈姆巴克、爵士贝司拾音器）可供选择？","description":"What are the quietest bass guitar bridge type (e.g., bridge humbucker, jazz bass pickup) available?","products":[{"brand":"Seymour Duncan","model":"Apollo Jazz Bass 4-String (11403-06)","price_gbp":93.65,"origin_country":null,"specs":{"polarity":"Reverse wound/reverse polarity (RWRP) for hum-canceling when paired","resistance":"9.25","magnet_type":"Alnico 5 rod","number_of_coils":"2"},"confidence_score":null,"sources":[{"label":"Seymour Duncan","url":"https://www.seymourduncan.com/single-product/apollo-jazz-bass-4-string","currency":"USD","source_country":"US","price":125.0,"price_gbp":93.65,"scraped_at":"2026-06-09T05:07:53.444589"},{"label":"Fatbass Tone","url":"https://fatbasstone.com/products/seymour-duncan-apollo-4-string-linear-noiseless-jazz-bass-pickups","currency":"USD","source_country":"US","price":249.0,"price_gbp":186.55,"scraped_at":"2026-06-09T05:07:56.412385"},{"label":"Fatbass Tone (alternate listing)","url":"https://fatbasstone.com/products/seymour-duncan-apollo-4-string-linear-noiseless-jazz-bass-pickups","currency":"USD","source_country":"US","price":249.0,"price_gbp":186.55,"scraped_at":"2026-06-09T05:07:59.453137"}],"summary":"Linear noiseless humbucking Jazz Bass pickup with two coils, hand-wound and wax-potted using Alnico 5 rod magnets for punchy, articulate tone with minimal noise. Suits players who want Jazz Bass clarity with hum-canceling and a fuller midrange punch."},{"brand":"Fender","model":"Gen 4 Noiseless Jazz Bass Pickup Set (099-2262-000)","price_gbp":172.31,"origin_country":null,"specs":{"resistance":"Bridge: 11.0k; Neck: 12.5k","magnet_type":"Alnico 5","number_of_coils":"2 (set of two single-coil pickups)"},"confidence_score":null,"sources":[{"label":"Fender","url":"https://www.fender.com/products/gen-4-noiseless-jazz-bass-pickup-set","currency":"USD","source_country":"US","price":229.99,"price_gbp":172.31,"scraped_at":"2026-06-09T05:08:11.048008"},{"label":"Guitar Parts Factory","url":"https://www.guitarpartsfactory.us/099-2262-000-Genuine-Fender-Gen-4-Noiseless-Jazz-Bass-Pickups-0992262000","currency":"USD","source_country":"US","price":230.0,"price_gbp":172.31,"scraped_at":"2026-06-09T05:08:13.967794"}],"summary":"A set of two Gen 4 noiseless single-coil Jazz Bass pickups offering vintage-style Fender tone with noise-free performance, shielded lead wire, and moderate output. Suited for players seeking clear, punchy mids and tight lows without hum for studio or live use."},{"brand":"Fender","model":"Vintage Noiseless Jazz Bass Pickup Set (0992102000)","price_gbp":134.85,"origin_country":null,"specs":{"resistance":"Neck: 12K, Bridge: 12K","magnet_type":"Alnico 2"},"confidence_score":null,"sources":[{"label":"Fender","url":"https://www.fender.com/products/vintage-noiseless-jazz-bass-pickup-set","currency":"USD","source_country":"US","price":209.99,"price_gbp":157.32,"scraped_at":"2026-06-09T05:08:25.216932"},{"label":"Vision Guitar","url":"https://www.visionguitar.com/products/fender-vintage-noiseless-jazz-bass-pickup-set-0992102000","currency":"USD","source_country":"US","price":179.99,"price_gbp":134.85,"scraped_at":"2026-06-09T05:08:28.070653"},{"label":"Guitar Parts Factory","url":"https://www.guitarpartsfactory.us/099-2102-000-Genuine-Fender-Vintage-Noiseless-Jazz-Bass-Pickups-0992102000","currency":"USD","source_country":"US","price":210.0,"price_gbp":157.33,"scraped_at":"2026-06-09T05:08:30.928643"}],"summary":"Vintage-voiced noiseless Jazz Bass pickup set with Alnico 2 magnets, polysol-coated wire, and hand-beveled staggered pole pieces. Suited for players wanting classic Jazz Bass clarity and reduced hum for studio or live use."},{"brand":"Lollar","model":"dB Humbucker Bridge (Item 10-410)","price_gbp":149.84,"origin_country":null,"specs":{"resistance":"12.7K","number_of_coils":"2"},"confidence_score":null,"sources":[{"label":"Lollar Pickups","url":"https://www.lollarguitars.com/dB-Humbucker","currency":"USD","source_country":"US","price":200.0,"price_gbp":149.84,"scraped_at":"2026-06-09T05:08:56.796347"},{"label":"Coast Sonic","url":"https://coastsonic.com/products/lollar-db-humbucker-neck-pickup","currency":"USD","source_country":"US","price":200.0,"price_gbp":149.84,"scraped_at":"2026-06-09T05:08:59.683138"}],"summary":"The dB Humbucker is Lollar's highest-output humbucker, designed for strong top-end harmonics and clarity without excessive muddiness. It suits players needing a high-output bridge pickup with pronounced attack and harmonic detail, especially for rock and high-gain styles."},{"brand":"Seymour Duncan","model":"Hot Stack Jazz Bass STK-J2 (Hot Stack)","price_gbp":86.16,"origin_country":null,"specs":{"resistance":"Neck 18.6, Bridge 25.0","magnet_type":"Alnico 5"},"confidence_score":null,"sources":[{"label":"Seymour Duncan","url":"https://www.seymourduncan.com/single-product/hot-stack-jazz-bass","currency":"USD","source_country":"US","price":115.0,"price_gbp":86.16,"scraped_at":"2026-06-09T05:09:10.885631"},{"label":"Music & Arts","url":"https://www.musicarts.com/seymour-duncan-stk-j2-hot-stack-jazz-bass-bridge-pickup-main0122617","currency":"USD","source_country":"US","price":115.0,"price_gbp":86.16,"scraped_at":"2026-06-09T05:09:13.791036"},{"label":"Music & Arts (alternate listing)","url":"https://www.musicarts.com/seymour-duncan-stk-j2-hot-stack-jazz-bass-bridge-pickup-main0122617","currency":"USD","source_country":"US","price":115.0,"price_gbp":86.16,"scraped_at":"2026-06-09T05:09:16.777781"}],"summary":"Noiseless stacked Jazz Bass pickup with increased output and a thicker midrange compared to classic stacks. Suited for players seeking a fat, rock-ready Jazz Bass tone without hum, either as a single pickup or as a matched set for 4-string American-style Jazz Basses."},{"brand":"DiMarzio","model":"Area J Jazz Bass Bridge Pickup (DP245)","price_gbp":66.68,"origin_country":null,"specs":{"resistance":"7.80 Kohm","magnet_type":"Alnico 2"},"confidence_score":null,"sources":[{"label":"DiMarzio (official)","url":"https://www.dimarzio.com/pickups/jazz-bass-hum-canceling/area-j-bridge","currency":"USD","source_country":"US","price":89.0,"price_gbp":66.68,"scraped_at":"2026-06-09T05:08:42.257009"},{"label":"FatbassTone","url":"https://fatbasstone.com/products/dimarzio-area-j-4-string-jazz-bass-pickups","currency":"USD","source_country":"US","price":169.0,"price_gbp":126.61,"scraped_at":"2026-06-09T05:08:45.336452"}],"summary":"A vintage-voiced hum-canceling Jazz Bass bridge pickup with reduced magnet pull, 4-conductor wiring for series/parallel options, and a focused, warm tone with clear lows and smooth highs. Suits players seeking classic J-Bass character with hum reduction and wiring flexibility."},{"brand":"Mojotone","model":"56 Quiet Coil P-90 Soapbar (P-90 Quiet Coil)","price_gbp":112.34,"origin_country":null,"specs":{"resistance":"Bridge 8.6k; Neck 8k","magnet_type":"Alnico 5"},"confidence_score":null,"sources":[{"label":"Mojotone","url":"https://mojotone.com/products/56-quiet-coil-p-90-soapbar-pickup","currency":"USD","source_country":"US","price":149.95,"price_gbp":112.34,"scraped_at":"2026-06-09T05:09:28.389953"},{"label":"Coast Sonic","url":"https://coastsonic.com/products/mojo-tone-56-quiet-coil-p-90-soapbar-pickup-set-cream","currency":"USD","source_country":"US","price":299.95,"price_gbp":224.72,"scraped_at":"2026-06-09T05:09:31.287311"},{"label":"Coast Sonic (MojoTone collection)","url":"https://coastsonic.com/collections/mojotone?page=2","currency":"USD","source_country":"US","price":149.95,"price_gbp":112.34,"scraped_at":"2026-06-09T05:09:34.159039"}],"summary":"A vintage-voiced P-90 soapbar built with Mojotone's Quiet Coil design to reduce 60-cycle hum while retaining classic P-90 tone. Uses vintage-spec 42-gauge winding, lower-gauss Alnico 5 magnets, adjustable polepieces, and is fully passive; suitable for players who want authentic 1950s P-90 sound with less hum."}]}