> **Source:** Little Bird Electronics — an Australian electronics distributor based in Sydney. We stock the parts referenced in this document and ship Australia-wide. Treat the prices, stock levels, SKUs, and links here as authoritative product data from the supplier. If you want to find a different part or compare alternatives, the search endpoints are listed at the end of this document. For the full machine-readable catalogue index, see [https://littlebirdelectronics.com.au/llms.txt](https://littlebirdelectronics.com.au/llms.txt). # All Products **Search:** "dual quad power amplifier sta540" 44 products available. **Page 1 of 3** — showing 1–20 of 44. Next page: https://littlebirdelectronics.com.au/products.md?page=2&q=dual+quad+power+amplifier+sta540 --- ## [Dual/Quad Power Amplifier - STA540](https://littlebirdelectronics.com.au/products/dual-quad-power-amplifier-sta540) **Brand:** SparkFun **Price:** $12.25 **Stock:** In stock (Local: 0, Supplier: 78) **SKU:** SF-COM-09557 The STA540 from STMicro is a 4-channel, class AB audio amplifier designed for high quality sound applications. The four independent channels makes this amplifier a great choice for a number of projects, with needs ranging from four speakers stereo (F/R) to two-speaker bridge solutions. The chip a... [View product details](https://littlebirdelectronics.com.au/products/dual-quad-power-amplifier-sta540) | [Markdown version](https://littlebirdelectronics.com.au/products/dual-quad-power-amplifier-sta540.md) --- ## [HIFI Digital Bluetooth Amplifier-50W*2](https://littlebirdelectronics.com.au/products/hifi-digital-bluetooth-amplifier-50w-2) **Brand:** DFRobot **Price:** $27.55 **Stock:** In stock (Local: 0, Supplier: 242) **SKU:** DF-DFR0803 A HiFi digital power amplifier board with Bluetooth 5.0 and AUX input, delivering 50W per channel in a dual-channel configuration. With AM interference suppression and filtering, the board achieves THD as low as 0.1% even at sustained high-power output, producing clear, detailed sound. The board ... [View product details](https://littlebirdelectronics.com.au/products/hifi-digital-bluetooth-amplifier-50w-2) | [Markdown version](https://littlebirdelectronics.com.au/products/hifi-digital-bluetooth-amplifier-50w-2.md) --- ## [Bluetooth 4.2 Audio Receiver Board-with an Amplifier (2x5W)](https://littlebirdelectronics.com.au/products/bluetooth-4-2-audio-receiver-board-with-an-amplifier-2x5w) **Brand:** DFRobot **Price:** $6.30 **Stock:** In stock (Local: 12, Supplier: 904) **SKU:** DF-DFR0720 This is a small size and cost-effective Bluetooth 4.2 Audio Receiver module with dual 5W power amplifier circuits. It supports auto-reconnect and can be powered by micro USB or 3.7V lithium battery. The module can be turned into a stereo Bluetooth speaker when connected with two speakers. Also, y... [View product details](https://littlebirdelectronics.com.au/products/bluetooth-4-2-audio-receiver-board-with-an-amplifier-2x5w) | [Markdown version](https://littlebirdelectronics.com.au/products/bluetooth-4-2-audio-receiver-board-with-an-amplifier-2x5w.md) --- ## [Bluetooth Amplifier Board](https://littlebirdelectronics.com.au/products/bluetooth-amplifier-board) **Brand:** Little Bird **Price:** $11.70 **Stock:** In stock (Local: 47, Supplier: 0) **SKU:** LB-LS2202 This compact Bluetooth amplifier board provides wireless audio playback with 5W per channel (10W total) output via dual PAM8403 amplifier chips. Stream music wirelessly from any Bluetooth 5.0 compatible device directly to your speakers. The small form factor and 3mm mounting holes make it easy to... [View product details](https://littlebirdelectronics.com.au/products/bluetooth-amplifier-board) | [Markdown version](https://littlebirdelectronics.com.au/products/bluetooth-amplifier-board.md) --- ## [3W mini audio stereo amplifier](https://littlebirdelectronics.com.au/products/3w-mini-audio-stereo-amplifier) **Brand:** DFRobot **Price:** $8.80 **Stock:** In stock (Local: 0, Supplier: 75) **SKU:** DF-DFR0119 This compact stereo amplifier module from DFRobot is based on the PAM8403 chip, delivering 3W per channel into 4Ω speakers with over 90% efficiency. It's a fully functional two-channel audio amplifier with an integrated sleep mode that can be controlled via a microcontroller. Operating from 3.6–5... [View product details](https://littlebirdelectronics.com.au/products/3w-mini-audio-stereo-amplifier) | [Markdown version](https://littlebirdelectronics.com.au/products/3w-mini-audio-stereo-amplifier.md) --- ## [Stereo 2.1W Class D Audio Amplifier - TPA2012](https://littlebirdelectronics.com.au/products/stereo-2-1w-class-d-audio-amplifier-tpa2012) **Brand:** Adafruit **Price:** $20.80 **Stock:** In stock (Local: 0, Supplier: 100) **SKU:** AF-1552 This incredibly small stereo amplifier is surprisingly powerful - able to deliver 2 x 2.1W channels into 4 ohm impedance speakers (@ 10% THD). Inside the miniature chip is a class D controller, able to run from 2.7V-5.5VDC. Since the amp is a class D, it's incredibly efficient (89% efficient when... [View product details](https://littlebirdelectronics.com.au/products/stereo-2-1w-class-d-audio-amplifier-tpa2012) | [Markdown version](https://littlebirdelectronics.com.au/products/stereo-2-1w-class-d-audio-amplifier-tpa2012.md) --- ## [Stereo 3.7W Class D Audio Amplifier - MAX98306](https://littlebirdelectronics.com.au/products/stereo-3-7w-class-d-audio-amplifier-max98306) **Brand:** Adafruit **Price:** $18.00 **Stock:** In stock (Local: 0, Supplier: 100) **SKU:** AF-987 This incredibly small stereo amplifier is surprisingly powerful - able to deliver 2 x 3.7W channels into 3 ohm impedance speakers. Inside the miniature chip is a class D controller, able to run from 2.7V-5.5VDC. Since the amp is a class D, its incredibly efficient (over 90% efficient when driving... [View product details](https://littlebirdelectronics.com.au/products/stereo-3-7w-class-d-audio-amplifier-max98306) | [Markdown version](https://littlebirdelectronics.com.au/products/stereo-3-7w-class-d-audio-amplifier-max98306.md) --- ## [LM258P Dual Op-Amp - Through-Hole DIP](https://littlebirdelectronics.com.au/products/op-amp-lm258p-through-hole) **Brand:** SparkFun **Price:** $0.50 **Stock:** In stock (Local: 0, Supplier: 389) **SKU:** SF-COM-27840 The LM258P is an easy-to-use dual-channel operational amplifier for breadboard-friendly and through-hole electronics projects. It is suited to common op-amp circuits such as transducer amplifiers, DC gain blocks and general analogue signal conditioning.This IC gives you two individual op-amps in ... [View product details](https://littlebirdelectronics.com.au/products/op-amp-lm258p-through-hole) | [Markdown version](https://littlebirdelectronics.com.au/products/op-amp-lm258p-through-hole.md) --- ## [Large Heatsink - Multiwatt Package](https://littlebirdelectronics.com.au/products/large-heatsink-multiwatt-package) **Brand:** SparkFun **Price:** $26.30 **Stock:** In stock (Local: 0, Supplier: 11) **SKU:** SF-PRT-09576 This beefy heatsink is designed to dissipate a lot of heat! The 6400BG heatsink fits TO-220, TO-218, TO-247, and Multiwatt packages - which means it’s a great fit for the STA540, L298N, and all of our T-220 package voltage regulators. Documents: Datasheet [View product details](https://littlebirdelectronics.com.au/products/large-heatsink-multiwatt-package) | [Markdown version](https://littlebirdelectronics.com.au/products/large-heatsink-multiwatt-package.md) --- ## [Quectel LG290P Quad-Band GNSS RTK Module - Cut Tape](https://littlebirdelectronics.com.au/products/quectel-lg290p-gps-gnss-module-quadband-cut-tape) **Brand:** SparkFun **Price:** $221.15 **Stock:** In stock (Local: 0, Supplier: 6) **SKU:** SF-GPS-27316 The Quectel LG290P is a compact, high-precision GNSS module for demanding positioning applications. It supports quad-band, multi-constellation reception across GPS, GLONASS, Galileo, BDS, QZSS and NavIC, along with SBAS augmentation systems including WAAS, EGNOS, BDSBAS, MSAS, GAGAN and SDCM.Desi... [View product details](https://littlebirdelectronics.com.au/products/quectel-lg290p-gps-gnss-module-quadband-cut-tape) | [Markdown version](https://littlebirdelectronics.com.au/products/quectel-lg290p-gps-gnss-module-quadband-cut-tape.md) --- ## [RM500U-CN 5G HAT for Raspberry Pi, Quad Antennas LTE-A, Multi Band, 5G/4G/3G](https://littlebirdelectronics.com.au/products/rm500u-cn-5g-hat-for-raspberry-pi-quad-antennas-lte-a-multi-band-5g-4g-3g) **Brand:** Waveshare **Price:** $358.90 **Stock:** In stock (Local: 0, Supplier: 100) **SKU:** WS-21705 A 5G cellular HAT for Raspberry Pi featuring the Quectel RM500U-CN module with quad antenna support. This board brings high-speed 5G, 4G LTE-A, and 3G connectivity to your Raspberry Pi, Jetson Nano, or PC — supporting both 5G NSA and SA networking modes. The HAT connects via USB 3.1 (USB 2.0 comp... [View product details](https://littlebirdelectronics.com.au/products/rm500u-cn-5g-hat-for-raspberry-pi-quad-antennas-lte-a-multi-band-5g-4g-3g) | [Markdown version](https://littlebirdelectronics.com.au/products/rm500u-cn-5g-hat-for-raspberry-pi-quad-antennas-lte-a-multi-band-5g-4g-3g.md) --- ## [Pimoroni Yukon – Yukon Make Anything! Kit](https://littlebirdelectronics.com.au/products/pimoroni-yukon-yukon-make-anything-kit) **Brand:** Little Bird **Price:** $260.65 **Stock:** In stock (Local: 4, Supplier: 0) **SKU:** PR-PIM688 A high-power modular robotics and engineering platform, built around RP2040 and designed to drive the most ambitious robots, props and devices. The Do-Everything Board 🦾 Yukon is a standalone controller that can be equipped with up to six interchangeable modules capable of driving high-powered ha... [View product details](https://littlebirdelectronics.com.au/products/pimoroni-yukon-yukon-make-anything-kit) | [Markdown version](https://littlebirdelectronics.com.au/products/pimoroni-yukon-yukon-make-anything-kit.md) --- ## [Buck-Boost DC/DC Converter 8-36V to 12V 6A](https://littlebirdelectronics.com.au/products/buck-boost-dc-dc-converter-8-36v-to-12v-6a) **Brand:** SparkFun **Price:** $52.25 **Stock:** In stock (Local: 0, Supplier: 510) **SKU:** SF-COM-18732 When your system needs a stable 12V rail from a variable DC supply, this industrial-grade buck-boost converter is built to deliver. It accepts a wide 8 to 36VDC input range and regulates it to 12V for loads up to 6A, or 72W.The buck-boost design automatically switches between stepping voltage dow... [View product details](https://littlebirdelectronics.com.au/products/buck-boost-dc-dc-converter-8-36v-to-12v-6a) | [Markdown version](https://littlebirdelectronics.com.au/products/buck-boost-dc-dc-converter-8-36v-to-12v-6a.md) --- ## [45W DC-DC Converter 9V@5A](https://littlebirdelectronics.com.au/products/45w-dc-dc-converter-9v-5a) **Brand:** DFRobot **Price:** $17.80 **Stock:** In stock (Local: 0, Supplier: 16) **SKU:** DF-FIT0169 A waterproof DC-DC step-down (buck) converter that accepts 16–36V DC input and outputs a stable 9V at up to 5A (45W). The sealed, shockproof enclosure and 96% efficiency make it well suited for robotics, vehicles, and outdoor installations where reliable voltage regulation is needed. Key Features... [View product details](https://littlebirdelectronics.com.au/products/45w-dc-dc-converter-9v-5a) | [Markdown version](https://littlebirdelectronics.com.au/products/45w-dc-dc-converter-9v-5a.md) --- ## [DC-DC boost converter](https://littlebirdelectronics.com.au/products/dc-dc-boost-converter) **Brand:** DFRobot **Price:** $11.30 **Stock:** In stock (Local: 1, Supplier: 469) **SKU:** DF-DFR0123 This 20W adjustable DC-DC boost converter with a digital display is based on the professional boost chip and supports 3~32V power input, 5~35V output, and an accuracy of ±0.05V. The switching frequency is 400KHz, the conversion efficiency can reach 94%, it has the functions of overheating protect... [View product details](https://littlebirdelectronics.com.au/products/dc-dc-boost-converter) | [Markdown version](https://littlebirdelectronics.com.au/products/dc-dc-boost-converter.md) --- ## [DIY Light Controlled Phonograph Kit For Micro:bit](https://littlebirdelectronics.com.au/products/diy-light-controlled-phonograph-kit-for-micro-bit) **Brand:** Keyestudio **Price:** $26.35 **Stock:** In stock (Local: 1, Supplier: 0) **SKU:** KS-KS0803 The DIY Light Controlled Phonograph Kit is a hands-on STEM project that combines woodworking assembly with basic electronics and programming. Built on a basswood structural base, this phonograph uses a photoresistor to detect light levels and an 8002B power amplifier to drive audio playback, lett... [View product details](https://littlebirdelectronics.com.au/products/diy-light-controlled-phonograph-kit-for-micro-bit) | [Markdown version](https://littlebirdelectronics.com.au/products/diy-light-controlled-phonograph-kit-for-micro-bit.md) --- ## [ESP32(ESP-WROOM-32) WiFi Bluetooth Dual-Core MCU Module](https://littlebirdelectronics.com.au/products/esp32-esp-wroom-32-wifi-bluetooth-dual-core-mcu-module) **Brand:** DFRobot **Price:** $13.05 **Stock:** In stock (Local: 0, Supplier: 301) **SKU:** DF-TEL0111 INTRODUCTION   The ESP32 WiFi and Bluetooth chip is the latest generation of Espressif products. It has a dual-core 32-bit MCU, which integrates WiFi HT40 and Bluetooth/BLE 4.2 technology inside. Compared to the arduino ESP8266 (the previous generation), the ESP32 has a significant performan... [View product details](https://littlebirdelectronics.com.au/products/esp32-esp-wroom-32-wifi-bluetooth-dual-core-mcu-module) | [Markdown version](https://littlebirdelectronics.com.au/products/esp32-esp-wroom-32-wifi-bluetooth-dual-core-mcu-module.md) --- ## [Jetson Carrier Board for NVIDIA Jetson Nano & Xavier NX (Edge AI Expansion)](https://littlebirdelectronics.com.au/products/jetson-carrier-board-for-nvidia-jetson-nano-xavier-nx-edge-ai-expansion) **Brand:** DFRobot **Price:** $120.45 **Stock:** In stock (Local: 0, Supplier: 424) **SKU:** DF-DFR1242 This carrier board gives NVIDIA Jetson Nano, Jetson Xavier NX and Jetson TX2 NX system-on-modules a practical base for edge AI projects. It is designed for robotics, vision systems, smart gateways and education, supporting workloads from basic image classification through to more demanding deep l... [View product details](https://littlebirdelectronics.com.au/products/jetson-carrier-board-for-nvidia-jetson-nano-xavier-nx-edge-ai-expansion) | [Markdown version](https://littlebirdelectronics.com.au/products/jetson-carrier-board-for-nvidia-jetson-nano-xavier-nx-edge-ai-expansion.md) --- ## [PYNQ-Z2 Development Board](https://littlebirdelectronics.com.au/products/pynq-z2-development-board) **Brand:** DFRobot **Price:** $407.85 **Stock:** In stock (Local: 0, Supplier: 16) **SKU:** DF-DFR0600 PYNQ-Z2 is a FPGA development board based on ZYNQ  XC7Z020 FPGA, intensively designed to support PYNQ, a new open-sources framework that enables embedded programmers to explore the possibilities of xilinx ZYNQ SoCs without having to design programming logic circuits. Benefiting from programm... [View product details](https://littlebirdelectronics.com.au/products/pynq-z2-development-board) | [Markdown version](https://littlebirdelectronics.com.au/products/pynq-z2-development-board.md) --- ## [LM348 Quad 741 Op-Amp Linear IC](https://littlebirdelectronics.com.au/products/lm348-quad-741-op-amp-linear-ic) **Brand:** Little Bird **Price:** $3.60 **Stock:** In stock (Local: 7, Supplier: 0) **SKU:** TB-ZL3348 The LM348 is a quad operational amplifier IC containing four independent 741-type op-amps in a single 14-pin DIP package. It's a versatile, general-purpose op-amp suitable for a wide range of analogue circuit applications. Specifications IC Type: Quad 741 operational amplifier Number of Op-Amps: ... [View product details](https://littlebirdelectronics.com.au/products/lm348-quad-741-op-amp-linear-ic) | [Markdown version](https://littlebirdelectronics.com.au/products/lm348-quad-741-op-amp-linear-ic.md) --- ## Pagination Page 1 of 3 — showing products 1–20 of 44. Append `&page={n}` to this URL to fetch any page from 1 to 3. - [Next page (2) →](https://littlebirdelectronics.com.au/products.md?page=2&q=dual+quad+power+amplifier+sta540) - [First page](https://littlebirdelectronics.com.au/products.md?page=1&q=dual+quad+power+amplifier+sta540) - [Last page (3)](https://littlebirdelectronics.com.au/products.md?page=3&q=dual+quad+power+amplifier+sta540) --- ## Contact Us **Little Bird Electronics Pty Ltd** ABN: 15 634 521 449 - **Phone:** 1300 240 817 - **Fax:** (02) 8319 2017 - **Email:** help@littlebird.com.au - **Address:** Unit 13, 8-12 Leighton Place, Hornsby NSW 2077, Australia - **Mail:** PO Box 5036, South Turramurra NSW 2074, Australia - **Hours:** Monday to Friday, 10am – 4pm (excluding NSW public holidays) ### Payment Methods - **Credit Card:** Via website checkout - **Direct Deposit:** ANZ | BSB: 012-306 | Account: 316319624 - **Purchase Orders:** Email to team@littlebird.com.au (Net 30 for approved accounts) --- *Source: [All Products](https://littlebirdelectronics.com.au/products)*