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Rolls HA204p Portable 4-Channel Battery Operated Headphone Amplifier

SKU: ROLHA204PMFR: HA204P

Studio Headphone Amplifier: Pristine sound quality.
Four Channel Headphone Amp: Optimize audio distribution.
Portable Headphone Amplifier: Battery or AC power.
Reference Headphone Amp: 16-500 Ohm impedance match.
Low Distortion Amp: THD less than .008% for clarity.

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$139.00

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Crown Audio DCi 4X300 DriveCore Install Analog 4-Ch 4x300W Power Amplifier

SKU: CRDCI4X300MFR: DCI4X300-U-USFX

Delivers 300W @ 8 Ohms for robust power amplification.
Low THD ensures pristine audio fidelity, 20 Hz - 20 kHz.
High signal-to-noise ratio: >108dB for clear sound.
Input impedance: 10 kOhms balanced, 5 kOhms unbalanced.
Damping factor >1000 enhances speaker control.

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Crown Audio DCi 2X300 Install Analog Series 2-Channel 2x300W Power Amplifier

SKU: CRDCI2X300MFR: DCI2X300-U-USFX

Delivers 300W Power Amplifier output at 4 Ohms.
Low Distortion ensures pristine audio fidelity.
High Signal-to-Noise Ratio: >108dB (A-weighted).
Versatile Impedance Matching: 2-16 Ohms supported.
Reliable Protection against overload & short circuits.

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Electro-Voice Dynacord V600:2 2-Channel 600W Power Amplifier

SKU: EVV6002USMFR: V600:2-US

Delivers 600W power for pro audio clarity.
Low THD ensures pristine sound reproduction.
High signal-to-noise ratio; clear audio output.
Damping factor ensures speaker control.
Wide input impedance for versatile connectivity.

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JBL CSA1120Z 120W 1U Commercial DriveCore Amplifier with Built-in 70/100V

SKU: JBLCSA1120ZMFR: NCSA1120Z-U-US

Delivers 120W of high power output at 8 Ohms.
Low distortion ensures pristine audio fidelity.
Signal-to-noise ratio >100dB for clear sound.
Input/output flexibility with Euro Block & RCA.
Reliable protection circuits ensure amplifier life.

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Electro-Voice Dynacord V600:4 4-Channel 600W Power Amplifier

SKU: EVV6004USMFR: V600:4-US

600W Power Amplifier: High Power Output
Low THD Delivers Pristine Audio Quality
Signal-to-Noise Ratio: >100dB (A-weighted)
High Damping Factor for Superior Control
Input Impedance: 20k Ohm, Active Balanced

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$1,295.00

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Telefunken Phillips Raytheon 5840W Vacuum Tube (AK-47 MkII, ELA M 260)

SKU: TFEF7325840MFR: 5840

Premium Telefunken 5840W Vacuum Tube
Enhance sound quality with this Pentode tube.
Low noise tube ensures pristine audio output.
Long tube life for lasting performance.
Ideal for AK-47 MkII & ELA M 260 Mics.

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Telefunken GE 5654W Vacuum Tube for CU-29 Copperhead Microphone

SKU: TFGE5654WMFR: GE 5654W

Telefunken tube: Superior sound quality.
GE 5654W vacuum tube: Low noise operation.
Enhance CU-29 mic with this preamp tube.
Pentode tube: Reliable power output.
Long-life Telefunken tube ensures value.

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Audio Amplifiers to Boost Your Sound

If you’re connecting anything from an instrument or a smartphone to a set of external speakers, you may need an amplifier. While most of us think of “amps” as something to plug a guitar into, there are also many different types of amps for stereo systems, PAs, and more. Check out Adorama’s full selection here from brands like Crown Audio, Behringer, TOA Electronics and more.

What is an amplifier?

When an electrical signal is sent from an instrument, phone, microphone, or phonograph (remember those?), it is weak and nowhere near powerful enough to drive 15” subwoofers. You need a device to “amplify” this signal with some serious wattage, technically called a “power amp.”

Most instrument amps also have a built-in “preamp” in addition to their power amps. Preamps add effects and tonal controls to electrical signals before they are sent to the power amp.

Do I need an amp to play music at home?

If you just want to play tunes from a phone or a laptop, you may not need a specific amp. Many speakers, including Bluetooth speakers, are already “powered,” meaning they’ve got small built-in audio amplifiers. However, if your speakers are unpowered (i.e., they can’t plug into a wall outlet), you’ll need a power amp. Most high-end stereo systems utilize separate power amps.

Home audio systems do not require preamps like instruments do. Still, you may want to invest in a mixer or multi-band graphic equalizer to fine-tune your levels before they hit the power amp. Be aware that if you’re playing music from a computer, it may already have an EQ feature built into its software.

Audio amplifier specifics

We’ve got a huge variety of audio amplifiers at Adorama, from tiny headphone amps to those capable of delivering hundreds of watts. You’ll want your power amp’s wattage to match the power rating of your speakers. If it is too low, you won’t get the most out of your speakers. Even worse, if it’s too high, you could blow them out. If your power amp has selectable resistance levels in ohms (usually 4, 8, or 16), make sure they sync with your speakers as well.

Amps can be powered either by solid-state transistors or by vacuum tubes. As with guitar amps, tube-powered models for stereos are pricier and require more maintenance, but audiophiles love their warm, vintage sound.

No matter what kind of amp you decide is right for you, make sure you’ve got enough cables and adapters to set everything up.