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dont know if anyone is in to high end audio equipment, but I have for sale a DLS Ultimate A3 amp and Zapco Reference 360.4. If your into audiophile equipment you should probably be familiar with DLS and Zapco. The amp is in excellent condition, only blemishes is around the mounting feet. the top right mounting feet is very very slightly bent, but does not affect performance. You could probably actually bend it back, but it just never bothered me. specs are copied from DLS' website.

ULTIMATE series A3 is a powerful two-channel amplifier. A true, dual mono block with separate power sources that provides power output of 2 x 150 Watts with 4 ohm stereo and 550/870 Watts with 4/2 ohm mono bridge connection. The amplifier is 1 ohm stable. Click here if you want to look at DLS competion cars from the whole world.

- Built-in fan control.
- Built-in, variable 50-125 Hz switchable low pass filter for subwoofers.
- Built-in variable 20-200 Hz. high pass filter that can be used as a subsonic filter or high pass filter for front systems.
- Dual power terminals where you can connect dual power feeds or a DLS Power Cap.
- Phase shift button when you use it as a subwoofer amplifier.
- RMS output per channel @ 13,8 volts, 20 Hz - 20 kHz , < 0,1% distortion.

The Ultimate series amplifiers are known for the good sound quality with a detailed, high resolution sound. The amplifiers are often used in SQ competitions in both IASCA and EMMA competitions. The amplifiers are used in cars winning both European and World championsships.

Number of channels 2
Amplifier class AB
Mono bridge mode 1.33 ohm 1000 W RMS
Mono bridge mode 2 ohm 870 W RMS
Mono bridge mode 4 ohm 550 W RMS
Output power in 1 ohm 2 x 425 W RMS
Output power in 2 ohm 2 x 270 W RMS
Output power in 4 ohm 2 x 150 W RMS
Damping factor > 200
S/N ratio, A-weighted > 100 dB
Input impedance, high level N/A
Input sensitivity 0,2 - 7 Volt
Input impedance > 10kohm
Frequency range 10 Hz - 50 kHz
High pass filter 20 - 200 Hz
Low pass filter 50 - 125 Hz
Low level output No
External cooling fan terminal Yes
High level input with auto start No
Dual DC inputs Yes
Power consumption (idle) 1,1 A
Power consumption (max) 140 A
Rec. power cable Minimum 2AWG / 33 mm2
Fuses 4 x 30 A
Dimension (W x D x H) 410 x 240 x 73 mm (16,15 x 9,45 x 2,87 inch)
Weight 6,2 kg ( 13,67 lb)

Next item up for sale is the Zapco Reference 350.4 This amp is a solidly built amp also. Zapco is well known in the car audio industry for their supreme quality built products. Only issues with this amp is I broke one of the terminal tabs. Look closely on the picture i've listed below. The plastic piece next to the fuse has cracked off. Does not affect performance in any way solely cosmetic damage. The terminal still screws in fine, it just doesn't have that side plastic piece as a wall. Other wise the amp is in great condition.

here are the specs for this amp.

Stereo, 4 ohms: 4 x 50 Watts
Stereo, 2 ohms: 4 x 90 Watts
Bridged, 2 ohms: 2 x 180 Watts
T.H.D . + Noise : <0.025% @ 4 ohms

located in santa clara, ca. will ship but at buyer's expense. I'd rather sell locally so buyers can actually see and hear the amp. This way buyer knows amp is in working condition when I hand it off to them.
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