Adafruit

Adafruit Thin Plastic Speaker w/Wires - 8 ohm 0.25W

Name: Adafruit Thin Plastic Speaker w/Wires - 8 ohm 0.25W
Brand: Adafruit
SKU: B00N4YW7G4

Bottom line: The Adafruit Thin Plastic Speaker w/Wires: 8 ohm / 0.25W rating matches common Arduino and Raspberry Pi audio breakout outputs; main trade-off: 0.25W output is too quiet for anything beyond close-range beeps and voice prompts.

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ 8 ohm / 0.25W rating matches common Arduino and Raspberry Pi audio breakout outputs
✓ Thin plastic body fits flush inside slim enclosures and project lids
✓ Pre-attached wires skip soldering to fragile speaker terminals
✓ Greeting-card heritage means very low weight for handheld or wearable builds

Cons

✗ 0.25W output is too quiet for anything beyond close-range beeps and voice prompts
✗ 8 ohm at a quarter watt means no real bass response for music playback
✗ Thin plastic housing offers no mounting flange or screw tabs
✗ Needs an external amplifier board for usable volume, adding cost and wiring

SpecPicks Verdict

SpecPicks scored Adafruit Thin Plastic Speaker w/Wires using a rating × review-volume × price-fit model applied to published specs and reviews across the audio & midi category. Adafruit's audio & midi lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for audio & midi of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

Perfect addition to any audio project
8O impedance and 0.25W of power
Originally designed for 'talking' greeting cards
Very simple, plastic body is extremely lightweight and thin

Full Specifications

Brand	Adafruit
Color	black
Impedance	8 Ohms
MP3 player	No
Model Name	1891
Model Number	1891
Power Source	Battery Powered
Speaker Size	1.5 Inches
Speaker Type	Thin Plastic Speaker
Is Waterproof	FALSE
Mounting Type	Flush Mount
Series Number	1891
Warranty Type	Limited
Built-In Media	2 x Speakers
Control Method	Voice
Number of Items	2
Woofer Diameter	39 Millimeters
Antenna Location	car
Audio Driver Size	39 Millimeters
Audio Driver Type	Dynamic Driver

Ready to buy?

Adafruit Thin Plastic Speaker w/Wires - 8 ohm 0.25W is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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