The KST300A is a portable, rechargeable, 24W combo amplifier featuring built-in 4 channel mixer and wireless mic capabilities.

3-Speaker – 24W

Dual-channel 24W (12W+12W) class D power amplification featuring two matched 6.5″ drivers and one 3″ driver.

4 Channel Mixer

Two instrument and 2 mic inputs with volume, bass and treble controls.

Wireless Receiver with Handheld & Lavalier Mics

Featuring a built-in wireless VHF receiver the KST300A comes with both a handheld and a clip-on lavalier mic.

Built-In FX

Individual Reverb, Delay and Activator (harmonic enhancement) controls.

All specifications subject to change without notice.

Built-In Music Player

Play and sing along with prerecorded material by way of the built in USB and media card ports. Prefer to use your own player? Plug into the KST300A Aux input instead.

Telescoping Handle and Wheels for Transport

Sporting a retractable luggage-style pull-handle and wheels, the KST300A is the perfect performance travel companion.


All specifications subject to change without notice.

Drivers: 2 x 6.5″, 1 x 3″ (4Ω)
Power: 12W + 12W
Cabinet: Bass Reflex (rear port)
Telescoping and Fixed Handles
Rear Wheels
Inputs: (2) 1/4″ Mic
(2) 1/4″ Instrument
1/8″ Aux
Wireless Receiver: Built-in VHF200-270MHz
Music Player: MP3 via USB, SD/MMC card input
EQ: Bass and Treble
Effects: Reverb, Delay, Activator (harmonic enhancement)
Includes: Handheld Mic, Wireless Lavalier with Mic Belt-Pack
Weight: 21.7 lb (9.82 Kg)
Dimensions: 11.4 x 15.4 x 7.3 in (29 x 39 x 18.5 cm)



User Manuals

KST300A User’s Manual – 11.2 MB
Owner’s Manual (.pdf)


Contact Pre-Sales

Do you have questions you need answered before you buy?

Product Registration

Register your new product with your local distributor.

Contact Distributor Support

Do you have questions about the use or application of your Kurzweil product?

Contact Service/Repair

Needing repair? Need to locate a local authorized service center? obtain parts?

Authorized Repair Facilities

Locate a Kurzweil repair facility near you.