the notch filter allows you to dial in a setting to eliminate feedback issues.

Description
The Takamine EG523SC Acoustic Electric Guitar has outstanding sound by itself or plugged in. The Takamine EG523SC Acoustic Electric Guitar features a Solid Spruce top, Block MOP and Abalone inlays, Flamed Maple back and sides, Rosewood fingerboard, and chrome tuners. The G Series offers more sizes, colors, woods than in any other family of models. The TK4N preamp gives you a tunable notch filter and switchable midrange contour. The notch filter allows you to dial in a setting to eliminate feedback issues. It does this by cutting out harsh frequencies that are inherent in amplified acoustics. Active electronics with onboard EQ translate all that tone into the electrical world with total fidelity. The onboard chromatic tuner is very convenient and easy to use.
All together an absolutely gorgeous guitar.

the sound is excellent for this price range

Description
The Takamine EG240 Guitar is a Dreadnought/Gloss acoustic with nato back and sides, spruce top and bound fingerboard. For its price, the Takamine EG240 Guitar could easily be the best acoustic-electric dreadnought in the world. The Takamine EG240 Guitar features also chrome tuning machines and Takamine DJ2 electronics.
Play a G Series guitar and you're apt to think it's one of the finest acoustic/electrics made. If there is one guitar that usually winds up being your first guitar, or the guitar in your collection you play most often, it's the Dreadnought.

one of the world's most popular peformance acoustic electric guitars.

Description
The Yamaha APX5A is one of the world's most popular peformance acoustic electric guitars. The body design is sleek and lightweight, sporting a cool oval shaped soundhole and stunning finish. Spruce top, nato back and sides, nato neck with rosewood fingerboard. Guitarist's rave over the fast neck, smooth action and state-of-the-art electronics. Uses a System 46 preamp with piezo pickup.

practical, feedback-free live applications and modern jet-age appearance.

Description
Elegant design and sonic solutions are Yamaha traditions. Yamaha continues to innovate with the Silent Series. Originally designed as ideal practice and travel instruments, the steel-string SLG100S quickly became popular with touring guitarists enamored with its practical, feedback-free live applications and modern jet-age appearance.
The Yamaha SLG100S Silent Steel String Guitar lets you practice with headphones, yet enjoy the realistic sounds of an acoustic instrument. The SLG100S features a lightweight composite body, mahogany neck, rosewood fingerboard, and breaks down quickly to fit into the included gig bag for easy transport. Electronics include piezo in-bridge pickups and an internal DSP that reproduces the natural-sounding reverb of a user-selected acoustic space. A mini-jack inputlets you connect a CD player for play-along. Interfaces with the AG Stomp.
The SLG100 works with batteries or the included power supply.

Description
Elegant design and sonic solutions are Yamaha traditions. Yamaha continues to innovate with the Silent Series. Originally designed as ideal practice and travel instruments, the nylon-string SLG100N quickly became popular with touring guitarists enamored with its practical, feedback-free live applications and modern jet-age appearance.
The custom-designed pickup systems by L.R. Baggs and B-Band faithfully reproduce every nuance, providing full, rich tone for stage and studio work. The SLG twins also feature great sounding built-in Yamaha digital reverbs. Backstage, on the tour bus, or at home, the SLG100 easily fulfills the role of a woodshed axe, thanks to its comfortable, lightweight composite frame and included earbud-style headphones. With the AUX IN jack, you can connect a CD player for private jamming.
When you're finished, the SLG100 quickly dismatles and stores in the included compact gig bag for easy storage and travel. The SLG100 works with batteries or the included power supply.