Art Pro Audio SLA4 4-Channel Studio Linear Power Amp polyend you could import tambourine or

you could import tambourine or shaker sounds (no mics needed) and trigger them by striking your drums

Trails Mode — Rather than abruptly cutting off the reverb trails upon bypassing the effect

or other device

Reference Pitch: A4 = 436-445 Hz (1 Hz steps)

With MCU Pro

Art Pro Audio SLA4 4-Channel Studio Linear Power Amp polyend you could import tambourine orArt Pro Audio SLA4 4 Channel Studio Linear Power Amp. Offering superb sound quality, the ART SLA 4 studio linear power amplifier delivers the clean power you need for any professional audio application including project or professional studio environments or commercial sound installations. SLA 4 Applications: The SLA 4 is a true four channel amplifier in a single rack space that can be switched easily from Multi channel, Stereo and Bridged Mono Modes