# Thin Speaker - 4 Ohm, 2.5W, 28mm

**Type:** Product page · **SKU:** COM-21311 · **Brand:** [Sparkfun](https://core-electronics.com.au/brands/sparkfun-australia)
**Page:** https://core-electronics.com.au/thin-speaker-4-ohm-25w-28mm.html ([markdown](https://core-electronics.com.au/thin-speaker-4-ohm-25w-28mm.html.md))

Upgrade your sound system with our Thin Speaker! Measuring just 28mm, this 4 Ohm, 2.5W speaker is sleek and powerful. Perfect for any DIY audio project.

## Pricing

- **Price:** $3.75 (inc GST) — $3.41 AUD, exc GST
- **Quantity discounts:** 5+ $3.31 (exc GST) · 25+ $3.24 (exc GST) · 100+ $3.10 (exc GST)

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 15 today, and up to 350 more in 5–11 days.

## Description

If you want to get some sound out of your project but have a tight space budget, this is a good way to do it. This 2.5W, 4 Ohm speaker is only 28mm in diameter and just over 4mm thick. The cable is roughly 180mm long and terminates in a 2-wire JST connector.

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/C/O/COM-21311-1.jpg)