The Markbass CMD 121H IV Bass Combo Amp is a powerful combo that still holds an incredibly warm natural tone. A new bi-band limiter responds faster and more dynamically to your playing allowing you to add nuances to your booming bass. An updated four-band EQ offers effective controls to easily personalise your sound either boosting or cutting up to 16dB for all four bands. Volume isnt an issue with this combo. A line out level control knob offers precise control of the level sent out to the mixer a pre/post EQ switch means you can route your XLR output before or after the EQ as required. The handy little mute switch is positioned on the front of the amp so you can quickly cut the sound for those moments when you need to hear anything other than this fantastic bass tone. Packing an earth shattering 500W rms at four ohms or 300W rms at eight the Markbass CMD 121H IV Bass Combo Amp sounds huge. Unlimited tone Blow the room away. With 500W of power at 4 ohms and 300W at 8 this amp will blast your basslines out at incredible force offering more volume than you would ever need. What makes it even better is this earthquake of sound doesn’t come at the detriment of the amp’s tone. The CMD 121H IV still holds its iconic natural warmth and provides multiple ways to refine every little detail. A four band EQ is a perfect place to start giving you plenty of room to adjust with the ability to either increase or decrease each band up to 16dB making the amp easily customisable to suit any genre. For quicker access to the EQ Markbass have included a three-way switch letting you quickly change between a super-balanced flat tone a scooped pre-set that boosts highs and lows while dropping the mids or finally a footswitch option to control the mute and scooped EQ simultaneously. No connectivity difficulty Optimised so you can efficiently connect your devices the CMD 121H IV offers up a wide selection of connectivity options. As you would expect a standard unbalanced 1/4 “ jack input is featured on the front alongside a footswitch input. A tuner out connection also allows you to add a tuner into your setup to ensure total tonal accuracy during every moment of the performance. A balanced XLR line out allows the amp to be directly connected to a DI therefore making it easier to set up at gigs or for recording. It’s safe to say these features make this bass amp extremely user friendly. Huge sound portable design Designed for bassists who crave premium quality sound and yet still want the convenience of a portable package this bass combo offers it all. And its versatility isnt just limited to the thrilling tone it projects but also in its superb practical qualities. It might be a larger alternative to the Mini CMD 121P IV but the CMD 121 H IV is still a compact unit that lends itself to easy travel. Its extra size is however used practically designed to make it easier to hear on stage with a front-loaded head the controls are easier to see and more accessible to adjust mid performance. Use on its own or team with other speaker cabinets and fill any large venue with incredible volume. Wherever you are your performance will be mesmerising. Specifications Input Impedance: 1 Mohm Max. Voltage: 9 Vpp Return Impedance: 22 Kohm Max. Voltage: 10 Vpp Gain: –46 Db To +23 Db Range Line Out Level Control: On Front Panel Pre/Post Eq (For Line Out) Switch: On Rear Panel Ground Lift Switch: On Rear Panel Volume Controls: Mute Switch Master Volume Low: Center Frequency 68 Hz; Level: ±16 Db Mid Low: Center Frequency 360 Hz; Level: ±16 Db Mid High: Center Frequency 800 Hz; Level: ±16 Db High: Center Frequency 10 Khz; Level: ±16 Db Old School: Max Cut Range: 250 Hz – 20 Khz 3 Way Switch: Flat/Scooped-Mid/Fsw Send Effects: Unbalanced Max. Voltage 20 Vpp Tuner Out: Unbalanced Max. Voltage 2 Vpp Line Out: Balanced XLR Max. Voltage 20 Vpp Speaker Out: Speakon/1/4” Combo 1/4”* Limiter: Bi-Band Limiter Footswitch (Optional): Flat/Scooped-Mid Output Power: 500w Rms @ 4 Ohm 300w Rms @ 8 Ohm Power Requirement: 100v; 120v; 230v; 240v 50/60hz (Voltage Is Factory Preset According To Region Of Sale) Speaker Speaker: 1×12″ Tweeter: 1″ compression driver with custom horn Bass reflex: rear Impedance: 8 ohms Speaker power handing: 400W RMS (AES Standard) Frequency response: 45 Hz to 20 kHz Crossover frequency: 3.5 kHz Sensitivity: 99 dB SPL Weight: 35.27 lbs / 16 Kg Width: 15.35 in. / 39 cm Height: 23.03 in. / 58.5 cm Depth: 18.31 in. / 46.5 cm