Shengjin BM-1128 Chrome-Plated Plastic/Steel Dynamic Microphone (Not Gold)
Electronic Audio Equipment - Handheld Dynamic Microphone · N/A - Item displays a silver-toned chrome/metallic finish, not a gold alloy.
Purity: Non-gold; 0% purity. This item is composed of chrome-plated plastic and steel mesh.
Type
Electronic Audio Equipment - Handheld Dynamic Microphone
Purity
Non-gold; 0% purity. This item is composed of chrome-plated plastic and steel mesh.
Gold Type
N/A - Item displays a silver-toned chrome/metallic finish, not a gold alloy.
Weight
Estimated 200 - 350 grams (standard consumer-grade handheld microphone weight).
Description
This is a standard consumer-grade dynamic microphone model BM-1128. It features a chrome-like metallic finish designed to mimic professional audio gear, though it is constructed primarily from non-precious metals and polymers. It is not a gold item and possesses no bullion value.
Key Features
Mesh pop filter, logo identity band, tapered grip, and high-shine chrome finish.
Color & Finish
High-polish silver/chrome finish on the body; brushed metallic texture on the windscreen mesh. Visible scratching and surface wear.
Hallmarks & Stamps
Labeled 'SHENGJIN' and model number 'BM-1128' on the decorative band. No precious metal hallmarks or purity stamps present.
Dimensions Estimate
Approximately 180mm x 50mm (Standard handheld microphone dimensions).
Gemstones & Inlays
None. The item features a black plastic decorative band with silver-printed text.
Clasp & Closure
N/A; The windscreen is a screw-on or friction-fit mesh cap.
Chain & Links
N/A; Featureless tapered cylindrical body with linear horizontal grooves at the top.
Craftsmanship Details
Mass-produced injection molding and automated assembly. The finish is applied via vacuum metallizing or industrial electroplating.
Authentication Indicators
Red Flag: Lack of any karat hallmarks; visual characteristics consistent with electroplated base metal or painted plastic rather than solid gold or white gold.
Origin & Maker
Likely manufactured in China by Shengjin electronics or an associated generic brand.
Era & Period
Contemporary/Modern Consumer Electronics (late 20th - early 21st century).
Age Estimate
Circa 2000s - 2020s manufacturing based on materials and branding style.
Cultural Significance
Represents the democratization of home audio and performance technology in the digital age.
Condition Notes
Fair to Good. Visible surface scratches, minor pitting in the chrome finish, and dust buildup in the mesh screen.
Value Estimate
$5.00 - $15.00 USD (Consumer electronics resale value). Melt value is negligible ($0).
Care & Maintenance
Clean with a soft microfiber cloth and isopropyl alcohol on the mesh. Keep dry to prevent oxidation of internal circuitry.
Similar Items
Other generic dynamic microphones (e.g., Shure SM58 style clones) often finished in dark grey, black, or chrome.
Interesting Facts
Mics like these are common in budget karaoke setups and entry-level home recording kits.