> **Source:** Core Electronics is an Australian maker-electronics retailer and manufacturer based in Newcastle, NSW, run by a team of makers and educators. We design and manufacture our own product lines (PiicoDev, CE originals) and are official retailers for iconic maker and industrial brands including Raspberry Pi, Arduino, Adafruit, SparkFun and DFRobot. Orders ship Australia-wide from our Newcastle warehouse. Prices are in AUD and include GST. Pricing, stock and dispatch on this page are generated from the store's live catalog. Full machine-readable index: https://core-electronics.com.au/llms.txt

# Mono Enclosed Speaker - 3W 4 Ohm

**Type:** Product page · **SKU:** ADA3351 · **Brand:** [Adafruit](https://core-electronics.com.au/brands/adafruit-australia)
**Page:** https://core-electronics.com.au/mono-enclosed-speaker-3w-4-ohm.html ([markdown](https://core-electronics.com.au/mono-enclosed-speaker-3w-4-ohm.html.md))

Listen up! This 2.8" x 1.2" speaker is a great addition to any audio project where you need 4 ohm impedance and 3W or less of power. Adafruit particularly like this speaker...

## Pricing

- **Price:** $8.95 (inc GST) — $8.14 AUD, exc GST
- **Quantity discounts:** 10+ $7.89 (exc GST) · 50+ $7.73 (exc GST)

## Availability & dispatch

- Available with a lead time — expect dispatch between Sep 01 and Sep 07.

## How to buy

- **Build a cart:** compose `https://core-electronics.com.au/cart/link?items=ADA3351:1` (comma-separated SKU:qty pairs) and share the link. Opening it shows a confirmation page with live pricing and stock before anything is added to the cart.
- **Verify the cart first:** fetch `https://core-electronics.com.au/cart/link/ADA3351:1.md` for live line prices (inc & exc GST, quantity discounts applied), stock and dispatch estimates, and totals. Append `/to/{AU-postcode}` (or `/to/{country-code}:{postcode}`) before `.md` for delivery options and prices to that destination. Unknown, retired, or out-of-stock SKUs are flagged. (Query form `cart/link.md?items=...` also works but some robots parsers refuse query strings here.)
- **Checkout** is completed on-site and includes a captcha at the payment step. Share the cart link; checkout takes it from there.
- **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works)
- **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt
## Description

Listen up! This 2.8" x 1.2" speaker is a great addition to any audio project where you need 4 ohm impedance and 3W or less of power. Adafruit particularly like this speaker as it is small and enclosed for good audio volume and quality. It has a handy JST 2PH input cable to add audio to your displays and other projects (this connector is part of the JST-PH series which is ~2.0mm spacing).

This speaker will work peachy-keen with any of our mono audio amps, such as the [PAM8302](https://core-electronics.com.au/mono-2-5w-class-d-audio-amplifier-pam8302.html) or [MAX98357A](https://core-electronics.com.au/adafruit-i2s-3w-class-d-amplifier-breakout-max.html) mono class D amplifiers.

[They also sell this as a 'stereo set' over here if you want 2 at a time.](https://core-electronics.com.au/stereo-enclosed-speaker-set-3w-4-ohm.html)

## Technical Details

- Speaker weight: 26.4g
- Dimensions: 30mm x 70mm x 17mm / 1.2" x 2.8" x .7"
- Cable is 22.5" long
- 3.4mm diameter mounting holes
- 63mm x 24mm mounting rectangle

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/3/3/3351-01.jpg)