The Markbass CMD 103H is a bass combo amplifier that makes full use of its built-in Little Mark II preamp's 400 watts. The Markbass CMD 103H blows out room-rattling rhythms through three 10" B&C designed speakers. Great for any style bass playing, it's especially convenient for 5- and 6-string bassists who want an amplifier that can handle their low end without fear of distortion or other unwanted noises. The CMD 103H combo's preamp has a 4-band EQ and 2 exclusive filters to better hone your tone. Pump up the volume. The Markbass CMD 103H amp can handle it.
Three 10" B&C woofers
1" compression driver with custom horn
Great power-to-weight ratio
Made of high-grade, multi-ply poplar
Glued, screwed, and sealed internally with special compounds for maximum sound quality
Protected corners
Grill for protecting speakers
Lightweight
Little Mark II
Provides 500W at 4 ohm or 300W at 8 ohm
Gain and Master volume controls
Clip warning light
EQ includes controls for Low, Mid Frequency Low, High Frequency Low, and High
VLE (Vintage Loudspeaker Emulator) and VPF (Variable Pre-shape Filter) filters
Ground lift switch to eliminate hum
Tuner out sends unbalanced signal sent to a tuner, amp or recording equipment not needing a balanced signal
Send and Return Effect ensures main signal continues even if something dies in your effects chain
Speaker: 3 x 10"
Tweeter: 1" compression driver with custom horn
Bass reflex: rear
Impedance: 6 ohms
Sensitivity: 103 dB SPL
Speaker power handling: 600W RMS (AES Standard)
Amp output power: 500W at 4 ohm/300W at 8 ohm
Frequency response: 40Hz to 20kHz
Crossover Frequency: 3.5kHz
Dimensions: 23.4"W x 27.5"H x 18.9"D
Weight: 63.3 lbs.
Little Mark II head
Power
Input impedance: 500Kohm, max. voltage: 15 Vpp
Balanced Output (XLR): 22Kohm, max. voltage 25 Vpp
Effect Return impedance: 22Kohm, max. voltage: 25 Vpp
Output Power: 300W RMS at 8 ohm, 500W RMS at 4 ohm
Power requirement: 100/120V; 230V; 240V; 50/60Hz
Controls
GAIN 80 dB to +23 dB range
MASTER VOLUME
GROUND LIFT: switch on rear panel
Equalization
LOW
Center frequency: 40Hz; level ±16dB
LOW MID
Center frequency 360Hz, level ±16dB
HIGH MID
Center frequency 800Hz, level ±16dB
HIGH
10kHz shelf; level ±16dB
VPF (Variable Pre-shape Filter)
center frequency 380Hz (cut)
VLE (Vintage Loudspeaker Emulator)
frequency range 250Hz 20kHz (cut)
Outputs
EFFECT SEND
Unbalanced, max. voltage 20 Vpp (pre-EQ)
TUNER OUT
Unbalanced, max. voltage 25 Vpp
LINE OUT
Balanced XLR, max. voltage 10 Vpp
SPEAKER OUT
Speakon, 1/4"
Korpa 
