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Under $20 Musical Instrument Amplifiers

Shop the best prices on 451 great value under $20 musical instrument amplifiers. Shopping for musical instrument amplifiers is easy with Fruugo, with SALE discounts, offers and savings on many brands. Buy musical instrument amplifiers online safely with Fruugo, with secure payment and fast shipping to Australia.

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1 - 32 of 451
9v Replacement Power Supply Compatible With Roland Micro Cube N225 Amplifier
$20.95 Save $21.00 RRP: $41.95
9V replacement power supply compatible with Roland Micro Cube N225 Amplifier
$20.95 Save $26.00 RRP: $46.95
2025 Vintage Style Guitar AMP Amplifier Leather Handle Amp Handle Strap for Guitar Speaker Amplifier (Br
$17.95 Save $17.00 RRP: $34.95
Portable Guitar Headphone Mini Amp with Rechargeable Lithium Battery and Swivel Audio Jack - Perfect for Guitar Practice
$19.95 Save $8.00 RRP: $27.95
9v Replacement Power Supply Compatible With Roland Micro Cube N225 Amplifier
$19.95 Save $12.00 RRP: $31.95
2xStrings for Liu Qin Chinese Lute Soprano Lute Type_3
$14.95
1 Set Guitar Ornament with Bag Surface And Stand Smooth Storage Good Details Playable
$18.95
Dissolvable Food Labels, Red & Blue, Heat & Fridge Storage, No Residue, Writeable Material, Perfect for Restaurant Supplies & Freezer
$17.95 Save $17.00 RRP: $34.95
Power Amplifier 2 Channel Class D Amplifier USB/SD AUX Input
$19.95
Finest Cardioid Dynamic Microphone Cartridge KTV MIC Capsule Core
$20.95 Save $1.00 RRP: $21.95
NE5532 OP-AMP Pre-Amplifier Tone Board Dual Channel Preamp Board
$14.95 Save $1.00 RRP: $15.95
8Pcs Black Plastic Guitar AMP Speaker Cabinet Corner Protector Recplacement Amplifier Rounded Right Angle Guard Wrap
$20.95 Save $1.00 RRP: $21.95
JOYO Mini Amp Electric Bass Headphone Amplifier
$16.95 Save $82.05 RRP: $99.00
Amplifier Handle Strap Compatible Marshall AS50D AS100D Guitar AMP Speaker
$16.95 Save $82.05 RRP: $99.00
High Precisions 24Bit HX711 Load Cell Weight Sensorings with Two Channel Input and Builts in Amplifiers
$21.95
1pcs Low Power Volume Increased Sound Digital Power Amplifier Module for GAMEBOY ADVANCE SP for SP Sound Amplifier
$11.95 Save $4.00 RRP: $15.95
5PCS Violin Bridge 4/4 Full Size for Acoustic Violin Accessory Crafted Maple
$20.95 Save $1.00 RRP: $21.95
Durable Guitar Head Veneer Head Plate Guitar DIY Material 2mm Thickness
$10.95
4pcs Plastic Knobs Caps Black for Guitar Effect Pedal Amplifier Accessory
$10.95
NE5532 OP-AMP Pre-Amplifier Tone Board Dual Channel Preamp Board
$7.95
12v Replacement Power Supply Compatible With Vox Vt20x Guitar Amp
$16.95 Save $82.05 RRP: $99.00
2x2pcs Music Key Ring Purse Bag Pendant Car Keyring Gift Electric Guitar
$20.95
Power Amplifier IC Module RF5228B
$12.95
4x2PCS Microphone Foam Cover - Red
$18.95
2x25W Audio Amplifier Player 12V MP3 Decoder Board Calling Recording
$9.95
Amplifier NE5532 Preamp Finished Board EQ DIY Dual AC 12V -18V
$11.95
XH-M151 XR1075 Preamp Tone Board Audio Treble Bass Adjustment Equalizer Pre Amplifier Tone Control P
$17.95 Save $4.00 RRP: $21.95
Portable Guitar Headphone Mini Amp with Rechargeable Lithium Battery and Swivel Audio Jack - Perfect for Guitar Practice
$1.95
Guitar Tube Amplifier Cabinet Handle with Silver Plated End Caps Speaker Cabinet Amp Strap Handle
$19.95 Save $6.00 RRP: $25.95
LM1036 HiFi Preamp Board with Volume, Tone, Treble & Loudness Control - Op-Amp Pre Amplifier Circuit
$20.95 Save $33.05 RRP: $54.00
NE5532 Tone Board Preamp Pre-Amp with Treble Volume Adjustment Pre-Amplifier Tone Controller for Am
$9.95 Save $5.00 RRP: $14.95
Replaceable Volume Knobs for the BT20A PRO, BT30D PRO, TB10D, BT20A and BT30D Amplifier
$14.95