SparkFun Electronics COM-09557
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 20.27 | Dhs. 20.27 |
| 15+ | Dhs. 19.61 | Dhs. 294.15 |
| 25+ | Dhs. 19.19 | Dhs. 479.75 |
| 50+ | Dhs. 18.12 | Dhs. 906.00 |
| 100+ | Dhs. 15.99 | Dhs. 1,599.00 |
| N+ | Dhs. 3.20 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | SparkFun Electronics |
| Product Series | |
| Packaging | Bulk | |
| Part Status | Active |
| Type | Class AB |
| Output Type | 2-Channel (Stereo) or 4-Channel (Quad) |
| Max Output Power x Channels @ Load | 38W x 2 @ 4Ohm; 16W x 4 @ 4Ohm |
| Voltage - Supply | 8V ~ 22V |
| Features | - |
| Mounting Type | Through Hole |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Supplier Device Package | 15-Multiwatt |
| Package / Case | Multiwatt-15 (Vertical, Bent and Staggered Leads) |
The COM-09557 is a versatile Class AB audio amplifier from SparkFun Electronics, capable of delivering 38W per channel into 4Ω loads in stereo mode, or 16W per channel in quad mode. It operates from an 8V to 22V supply, making it suitable for automotive, home, and DIY applications. The through-hole Multiwatt-15 package simplifies prototyping and assembly. Its Class AB design ensures low distortion and high audio fidelity. The amplifier supports both 2-channel and 4-channel configurations, offering flexibility for multi-speaker systems. Typical applications include DIY audio projects, car audio, home stereos, and small PA systems.
- High Power Output: 38W per channel into 4Ω provides ample volume for most home and car audio needs.
- Low Distortion: Class AB topology delivers clean, high-fidelity sound.
- Flexible Channel Config: Supports stereo or quad modes for multi-speaker setups.
- Easy to Prototype: Through-hole Multiwatt package is ideal for DIY and breadboard projects.
DIY Audio Projects
The COM-09557's through-hole Multiwatt package makes it easy for hobbyists to build custom amplifiers on perfboard or stripboard.
Home Stereo Systems
With 38W per channel into 4Ω, this amplifier can drive bookshelf speakers for a high-quality home audio setup.
Car Audio Upgrades
Its 8V-22V supply range allows direct connection to car batteries, making it a popular choice for aftermarket car stereo amplifiers.
Public Address Systems
The quad-channel mode enables driving multiple speakers in small PA systems for schools or meeting rooms.
Musical Instrument Amplifiers
Musicians can use the COM-09557 to build compact guitar or keyboard amplifiers with low distortion.
Multimedia Speaker Systems
Its ability to drive 4 channels makes it ideal for 2.1 or 4.0 computer speaker setups, providing immersive sound.
| Model | Package | Voltage Range | Output Power (Typical) |
|---|---|---|---|
| COM-09557 | 15-Multiwatt | 8V – 22V | 38W x 2 @ 4Ω / 16W x 4 @ 4Ω |
| TAS5729MDDCAR | 48-HTSSOP | 4.5V – 26.4V | 20W x 2 @ 8Ω |
| TAS5755MDFDR | 56-HTSSOP | 3V – 3.6V | 15W x 2 @ 8Ω |
| MP7751GF-Z | 28-TSSOP-EP | 4.5V – 26V | 36W x 2 @ 8Ω |
- Q: What is the output power of the COM-09557?
- A: It can deliver 38W per channel into 4Ω loads in stereo mode, or 16W per channel in quad mode.
- Q: What is the supply voltage range?
- A: It operates from 8V to 22V, making it suitable for a variety of power supplies.
- Q: Is this amplifier a Class AB type?
- A: Yes, it is a Class AB amplifier, known for low distortion and good audio quality.
- Q: Can it be used in quad-channel mode?
- A: Yes, it supports 2-channel (stereo) or 4-channel (quad) configurations for multi-speaker systems.
- Q: What is the operating temperature range?
- A: It is rated for 0°C to 70°C ambient temperature, suitable for consumer electronics.
- Q: What is the output power of the COM-09557?
- A: It can deliver 38W per channel into 4Ω loads in stereo mode, or 16W per channel in quad mode.
- Q: What is the supply voltage range?
- A: It operates from 8V to 22V, making it suitable for a variety of power supplies.
- Q: Is this amplifier a Class AB type?
- A: Yes, it is a Class AB amplifier, known for low distortion and good audio quality.
- Q: Can it be used in quad-channel mode?
- A: Yes, it supports 2-channel (stereo) or 4-channel (quad) configurations for multi-speaker systems.
- Q: What is the operating temperature range?
- A: It is rated for 0°C to 70°C ambient temperature, suitable for consumer electronics.

COM-09557.pdf