Features

Up to 200 watts per channel into 4 and 8 ohms — the outputs of the SPA2-200 model are designed to provide up to 200 watts per channel into Low-Z loads.
ENERGY STAR® qualified amplifier — The ENERGY STAR qualified SPA amplifiers employ an efficient class-D design to conserve energy and reduce operational cost.
Bridgeable outputs for higher power — Bridging the outputs of the SPA2-200 will deliver up to 350 watts into 70V or 100V when bridged.
Auto-Ramp provides quiet startup and power-down — The ENERGY STAR auto-ramp circuitry ensures quiet and fast power up from standby and seamless power-down following 25 minutes of inactivity, dramatically reducing power consumption.
Rack-mountable 1U, half rack width enclosure — The SPA amplifers can be mounted in 1 RU, 1/2 rack space, and their clever joining brackets enable easy under-table and wall-mounting

SPECIFICATIONS	SPA2-60	SPA4-60	SPA2-200	SPA4-100
Stereo Mode Watts Per Channel
8 Ω dynamic, both channels driven	60 W	60 W	200 W	100 W
4 Ω dynamic, both channels driven	60 W	60 W	200 W	100 W
Bridged Mode Watts per channel
8 Ω & 4 Ω	200 W	100 W continuous	400 W	200 W
70 V & 100 V	250 W	125 W	350 W	175 W*
Signal to Noise (A weighted, 20 Hz-20 kHz)	>100 dB	>100 dB	>100 dB	>100 dB
Input Sensitivity	1.23 Vrms (+4 dBu)	1.23 Vrms (+4 dBu)	1.23 Vrms (+4 dBu)	1.23 Vrms (+4 dBu)
Maximum Voltage Gain	25.0 dB	25.0 dB	25.0 dB	25.0 dB
Ouput Circuitry	Class D	Class D	Class D	Class D
Frequency Response (20 Hz - 20 kHz)	Frequency Response (20 Hz - 20 kHz)
Input Impedance	>10 kΩ (balanced), >10 kΩ (unbalanced)
Maximum Input Level	12.3V (+24 dBu)
Highpass Filter	Switchable 80 Hz when Bridged in 70V & 100V
Front Panel Indicators	Power, per channel Signal, per channel Protect/Limit
Controls	4Ω/8Ω/70V Bridge Highpass On/100V Bridged Highpass On per channel pair
Dimensions (HWD) inches	1.7 x 8.7 x 9.5 / 1RU
Dimensions (HWD) mm	43 x 220 x 241 / 1RU
Weight (Net)	3.5 lb / 1.6 kg	3.5 lb / 1.6 kg	4.0 lb / 1.4 kg	4.0 lb / 1.4 kg
Weight (Shipping)	6 lb / 2.3 kg	6 lb / 2.3 kg	6.5 lb / 2.5 kg	6.5 lb / 2.5 kg
Agency Approvals	UL, CE, ENERGY STAR, RoHS/WEEE compliant, FCC Class B (Conducted and Radiated emissions), UL 2043 witd PL-Kit
Carton Contents	Power cable, quick start guide, connector kit, rack mount ears, mounting brackets
*Peak Power 250 W