Hertz SP 4.900 4Ch 1000W ultra-compact SPL Show AmplifierSP 4.900 is the first Hertz amplifier featuring the renewed Hertz ADC (Advanced D-Class) output stage, reaching up to 85% efficiency and delivering an impressive power rating of 160 x 4 (4Ω) W RMS or 500 W x 2 (4Ω) W RMS when bridged, with an ultra-compact size of 211.6 (8.3) x 130 (5.1) mm (in.). Being ultra-compact with impressive power, SP 4.900 is the ideal choice for Motorcycle application and for under-seat in sports cars and behind-seat installations in trucks. General Features: Channels 4 - 3 - 2 Nominal power supply voltage 11 ÷ 15 VDC Pulse Operating voltage 6 ÷ 16 VDC Idling current 1.1 A Idling current when off 0.03 mA Consumption @ 14.4 VDC, MIN load impedance (Max Musical Power) 50 A Remote IN 6 ÷ 15 VDC (9 mA) DC-REM - Remote Turn on by SPK DC from OUTPUT BTL speakers 3.5 ÷ 7 VDC Distortion - THD @ 1 kHz, 4Ω, 70% Rated Power 0.02% Damping factor @ 1 kHz, 4Ω, 2 VRMS 200 Bandwidth @ -3 dB 10 Hz ÷35 kHz S/N ratio (A weighted @ 1 V Input) 105 dBA Pre-In sensitivity 0.6 ÷ 6 VRMS Speaker-In sensitivity 2.2 ÷ 22 VRMS Minimum load impedance: @ 4Ch 2Ω @ 3Ch 2Ω + 2Ω + 4Ω @ 2Ch 4Ω IP Rating IP55 Operating Temperature Range 0°C (32°F) to 55°C (131°F) Max size (mm/inch) 211.6 x 130 x 49 / 8.33 x 5.118 x 1.929 Weight (kg/lbs) 2.15 / 4.74 Adjustable Crossovers yes Output Power Output Nominal Power (RMS) @ 14.4 VDC, THD 1%: 4 Ch: 160 W x 4 (4Ω) 4 Ch: 250 W x 4 (2Ω) 3 Ch: 160 W x 2 (4Ω) + 500 W x 1 (4Ω) 3 Ch: 250 W x 2 (2Ω) + 500 W x 1 (4Ω) 2 Ch: 500 W x 2 (4Ω) Total Power RMS 1000 W INPUTS / FILTERS INPUTS: Pre IN / Speaker IN Ch 1-2 Full - Hi-pass 50 ÷ 5k Hz @ 12 dB/Oct. Lo-pass: 50 ÷ 5k Hz @ 12 dB/Oct. Ch 3-4 Full - Hi-pass 50 ÷ 5k Hz @ 12 dB/Oct. Lo-pass 50 ÷ 5k Hz @ 12 dB/Oct. Bass Boost 45Hz (adjustable) (0 ÷ 8) dB [LP = ON only] Sound of Tri-State's General Shipping Policies: We will ship to anywhere in the continental United States for Free on products indicating free shipping. If you have an APO address, or HI, AK or PR we will need to quote shipping prior to your purchase. Please email via the eBay messaging system and we will be happy to quote your shipping fees. On items that are not indicated as free the shipping rate will be calculated by weight and postal code and can be found using the shipping tab located at the top of the listing. Smaller items less than 1 pound will most likely be shipped via usps first class mail provided they are within measurements. Anything 2-5 pounds will most likely ship via usps priority mail or parcel select provided they are within measurements. Anything over 5 pounds with larger measurement will be shipped via UPS. Please indicate on your paypal payment in the notes section if you cannot receive usps at your physical address and indicate your postal address in the notes section of paypal. Please Note: Any items over $400 will be sent signature required and the customer must make themselves available at the shipping address to sign for the package as it arrives. Payment Return Policy Please Refer to the Returns Link at the top of the page for more in depth information regarding returns. General Return Policy: No returns will be accepted without a return authorization, which will be given on a case by case basis at Sound of Tri-State's discretion. Please email us using the Ask Seller a Question Link to obtain a return authorization number. NOTE: Any return that does not have a return authorization number written on the outside of the package will not be accepted. We only ship to the address we have on file. Sound of Tri-State has the sole discretion as to what is warrantied. Also Sound of Tri-State is not responsible for any shipping charges. It is our intention to keep you, the customer happy. With that in mind, we will do our best to repair or exchange the item sent back to us in good faith. For returns made 14 days from date of purchase, payment will be refunded less shipping and handling and up to a 15% restocking fee, if a refund is wanted. The item has to be complete in order to receive a refund. If an item is found defective within 14 days, the customer does not have to pay the restocking fees to receive the replacement unit or refund. After 14 days from your receipt date, defective items may be repaired or replaced at Sound of Tri-State's discretion ( Except Remanufactured products, which are only repaired.) The customer will need to send payment for return shipping and handling . The return fee is a non-refundable service fee and will not be part of any credit issued. Support/Customer Service Please feel free to contact us for any and all support that you should need. We have trained technicians on staff and ready to help with you with any questions. Office Hours: 10AM - 5 PM East Coast Time We encourage you to use email for all communication so we have a record on file. We are open Monday to Friday from 10 a.m. to 5 p.m. EST ( Eastern Standard Time ). Sales, Payments, Service, Technical Questions or RMA questions: Please use the eBay "Ask Seller Question" Link