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Kurzweil KST300A Portable Rechargeable Combo Amplifier

BH #KUKST300A • MFR #KST-300A
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Kurzweil
Kurzweil KST300A Portable Rechargeable Combo Amplifier
Key Features
  • Built-In 4-Channel Mixer
  • 2 x Mic and 2 x Instrument Inputs
  • Input Volume, Bass, and Treble Controls
  • 2 x Wireless Mics: Handheld and Lavalier
The KST300A Portable Rechargeable Combo Amplifier from Kurzweil features a four-channel mixer with two microphone and two instrument inputs with volume, bass, and treble controls. It has a built-in rechargeable battery and wireless receiver. This amplifier can be used as an all-in-one PA system designed to provide audio entertainment for party-goers, DJs, and announcers at indoor and outdoor events like parties, camping, and presentations.
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Kurzweil KST-300A Overview

  • 1Description
  • 2Three Speakers
  • 3Four-Channel Mixer
  • 4Wireless Receiver with Handheld and Lavalier Microphones
  • 5Built-In Rechargeable Battery
  • 6Built-In Effects
  • 7Built-In Music Player
  • 8Telescoping Handle and Wheels for Transport

The KST300A Portable Rechargeable Combo Amplifier from Kurzweil features a four-channel mixer with two microphone and two instrument inputs with volume, bass, and treble controls. It has a built-in rechargeable battery and wireless receiver. This amplifier can be used as an all-in-one PA system designed to provide audio entertainment for party-goers, DJs, and announcers at indoor and outdoor events like parties, camping, and presentations.

The KST300A is equipped with a built-in music player that reproduces songs from USB, media card, or auxiliary input ports. Featuring three speakers—two matched 6.5" LF drivers, and one 3" HF driver—, the dual-channel 24W (12W + 12W) Class-D power amplifier delivers a natural sound for many applications. The rear-panel bass-reflex port offers extended bass response. In addition, the KST300A includes a wireless handheld mic and a bodypack with a lavalier mic. A telescoping handle and wheels makes for easy transport to and from venues.

Three Speakers
Dual-channel 24W (12W+12W) Class-D power amplifier featuring two matched 6.5" LF drivers and one 3" HF driver.
Four-Channel Mixer
Two instrument and two mic inputs with volume, bass, and treble controls.
Wireless Receiver with Handheld and Lavalier Microphones
Featuring a built-in wireless VHF receiver, the KST300A comes with both a handheld and a clip-on lavalier microphone.
Built-In Rechargeable Battery
When the amp is turned on, the power LED turns blue indicating that the battery needs to be recharged. Connect the power cable with adapter and plug into the 15 VDC jack. The power-indicator light will iluminate red indicating the amplifier battery is charging. You can operate the amp while the unit is recharging.
Built-In Effects
Individual reverb, delay, and activator (harmonic enhancement) controls.
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 it into the KST300A's 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.

Kurzweil KST-300A Specs

Main Unit
Frequency Response
70 Hz to 18 kHz
Power
24 W (12 W + 12 W)
Battery
Rechargeable
Impedance
4 Ohms
Sensitivity
95 dB (1 W/ 1 M)
Power Supply
100 to 240 VAC 50/60 Hz
DC Out
15 VDC, 4 A
DC Voltage
12 V, 7.0 Ah (Lead-Acid Battery)
Current Consumption
3.5 A
Inputs
2 x 1/4" / 6.3 mm Microphone
2 x 1/4" / 6.3 mm Instrument
1 x 1/8" / 3.5 mm Aux Mini-Jack
Sensitivity Specifications
Input
Guitar Input 1: -20 dBu
Guitar Input 2: -20 dBu
Mic 1: -35 dBu
Mic 2: -35 dBu
Equalization
Bass and Treble
Effects
Reverb, Delay, and Activator (Harmonic Enhancement)
Music Player
MP3 via USB, SD/MMC Card Input
Drivers
2 x LF 6.5" / 16.5 cm
1 x HF 3.0" / 7.6 cm
Cabinet
Bass Reflex (Rear Port)
Telescoping and Fixed Handles
Rear Wheels
Dimensions
11.4 x 15.4 x 7.3" / 29.0 x 39.1 x 18.5 cm
Weight
21.7 lb / 9.8 kg
Wireless Receiver
Supply Voltage
9 V, 100 mA ±30 mA
Interference
Ratio: > 70 dB
Current Consumption
3 W
Signal to Noise Ratio
80 dB
Interference
Adjacent Channel Ratio: > 65 dB
Receiving Sensitivity
-93 dB
De-Emphasis
50 uS
IPLV
Carrier
VHF: 200 to 270 MHz
Frequency Response
60 Hz to 12 kHz ±3 dB
Harmonics
Distance: < 1%
Frequency Stability
< ±20 PPM
Dynamic Range
> 90 dB
Audio Output
0~± 650 mV
Environmental
Temperature: 14 to 122°F / -10 to 50°C
Operating Distance
164' / 50 m
Wireless Transmitter
Supply Voltage
3 V, 90 mA ±30 mA
Frequency Stability
0.05% (20 PPM)
Transmitting Output Power
±10 dB
Modulation Type
FM Tuning
Modulation
Maximum: ±25 kHz
Total Harmonic Distortion
< 40 dB
Pre-Emphasis
50 uS

Kurzweil KST-300A Reviews

See any errors on this page? Let us know

How many hours does the battery last

How many hours does the battery last
Asked by: Mosadoluwa
The KST300A can be used around 3.5 hours with a full charge (ie 4 channels used simultaneously).
Answered by: Matthew Wood
Date published: 2020-01-03
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