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Piezo Discs (20pcs) - 20mm/27mm/35mm Diameter, 6cm Lead, Brass & Ceramic, 1.8KHz Resonance, for DIY, Contact Microphones, Guitar Pickups, Drum Triggers (20mm)
✅ In stock
F
Grade
Analysis Confidence
73%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 23, 2026 4:15 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The price is modestly below what this product ordinarily sells for.
- 🏷️The retail sticker price has been slashed by 95% — a steep markdown from the official listing.
- 📉This is the most affordable price seen in roughly three months — a solid near-term opportunity.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
1.1/20
Deal Strength
7/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
SZZIJIA
Product Details
✓Specification: Diameter 20mm/27 mm/35mm
✓Board material: brass. Resonance frequency: 1.8+/-0.3 KHz.
✓Resonant impedance: less than or equal to 300 ohms. Static capacitance: 50000PF+/-30%.
✓Lead length: 6cm
✓Very suitable for beginners to use as touch sensors, electronic drum triggers, buzzers, making their own contact microphones, etc.
⚙️ Specifications
1.59 ounces
5.91 x 3.94 x 0.79 inches
B0GZ253HB6
M10602787
April 30, 2026
20mm
Item Weight
1.59 ounces
Package Dimensions
5.91 x 3.94 x 0.79 inches
ASIN
B0GZ253HB6
Item model number
M10602787
Customer Reviews
4.6
Best Sellers Rank
See Top 100 in Musical Instruments
Date First Available
April 30, 2026
Size
20mm
