Here's a combo cable that includes16awg 4-wire audio cable plus CAT5e 24awg 4-pair UTP combined in one PVC jacket. 500 feet reel. One run . . . you're done!

24awg 4-pair UTP CAT5e with 16awg 4-conductor audio cable

CAT5e Specs:
• Conductor Material: 24awg Bare copper
• Conductor Construction: 1/0. 50BC ± 0.008mm
• Conductor Stranded Diameter: 0.50mm
• Insulation Material: HDPE
• Insulation Nom Thickness: 0.20 (Ref.)
• Insulation Diameter: 0.92 ± 0.05mm

Audio Cable Specs:
• Conductor Material: 16awg Bare copper
• Conductor Construction: 65/0. 16BS ± 0.008mm
• Conductor Stranded diameter: 0.64mm
• Insulation material: 32P 60°C PVC
• Insulation Nom. thickness: 1.39mm (Ref.)
• Insulation Diameter: 2.3 ± 0.05mm

• Filler Material: 380D
• MD-Jacket Material: PVC 60P
• MD-Jacket Thickness: 0.49mm min. / 0.58mm nom.
• MD-Jacket Inside Diameter: 5.1mm ± 0.15mm
• Tape material: 0.038*40mm Paper
• Tape Overlapping: 125%
• Jacket Material: UL 60P PVC
• Jacket Thickness: 0.63mm min. / 0.75mm nom (Ref.)
• Jacket Outside Diameter: 11.5 ± 0.2mm
• Outer Jacket Color: White